Category: Behind The Black

How the blobby craters on Mars help map the planet’s existing accessible water

2:45 pm

Distorted blobby crater rim in Utopia Planitia
Click for full image.

Today’s cool image on the right, rotated, cropped, and reduced to post here, is part of a series of cool images that have repeatedly shown the blobby and squishy look of crater impact sites in the Martian northern lowland plain dubbed Utopia Planitia. Taken on January 2, 2021 by the high resolution camera on Mars Reconnaissance Orbiter (MRO), it shows the southeast rim of a very distorted crater that appears filled with glacial material and is also surrounded by an apron of smooth material.

At 42 degrees north latitude, it is somewhat expected to find evidence of glacial-like features in such a crater. Moreover, throughout the 30 to 60 degree mid-latitude band in Utopia Planitia are found numerous such blobby craters (other examples found here, here, and here), all suggesting that the impact occurred on a flat plain with a layer of water ice close to the surface. The heat of the impact melted that ice layer. In such a circumstance, the crater rims were easily deformed because as liquid water (for a short time) it could flow into any number of shapes.

At least that’s my theory. According to Colin Dundas of the U.S. Geological Survey’s Astrogeology Science Center in Arizona,

The exact processes that create the patterns are still debated. The flattened/degraded rims are not necessarily related to this morphology, as such craters can have sharp rims, so they may relate to post-impact modification.

In other words, later erosion after the crater formed could have rounded the rim and maybe even distorted it from a circle.

Regardless, the processes that made this crater rim look as it does were clearly widespread, as shown in the wider view below, provided by the context camera on MRO.
» Read more

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Today’s blacklisted American: Students condemn UConn student president for defending free speech

1:07 pm

The cancelled Bill of Rights

They’re coming for you next: The Undergraduate Student Government (USG) Governing Board at the University of Connecticut has condemned its student president, Mike Hernández, because he is supporting campus legislation that would protect the free speech rights of students.

The bill, which was introduced by sixth semester junior political science and economics double major Isadore Johnson, aims to protect students and their right to freely express their opinions within student government and also at UConn as a whole.

Opponents of the bill, however, have argued the legislation gives students a free pass to express casual racism, homophobia and misogyny without consequence, and have expressed concern over Hernández’s support of the bill.

The board is using as its trigger to condemn Hernández a single comment he supposedly made privately to another student, where he allegedly said that affirmative action legislation as well as rules forbidding anyone from saying anything offensive about minorities is equivalent “to treating minorities like children.” From that board’s statement, which was approved by this board by a vote of 8-1, with one abstention:
» Read more

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Russia: Air leaks fixed on Zvezda

9:30 am

According to the Russian state-run press, Russian astronauts have completed their repair work on the ISS module Zvezda and are about to seal the module to test their work.

“The crew of the International Space Station has completed the repair and recovery work on the hull of the Zvezda module. In the coming days, Sergei Ryzhikov and Sergei Kud-Sverchkov will close the hatches in the Zvezda module to check the atmospheric level,” the press office said.

Previous reports suggested the astronauts had located a total of two cracks, both now sealed.

The larger question however remains. Are the cracks stress fractures, and if so do they suggest that Zvezda’s 20-year-old hull is beginning to fail? The Russians have been very silent about these questions, though they have admitted the possibility once or twice, almost as an aside.

Nor has NASA been forthcoming. The American space agency has apparently joined the Russians in keeping this problem out of the news, at all costs. Once, the employees at NASA were Americans who demanded openness from Russia and from themselves. No more. Increasingly our government workers are indistinguishable from Soviet apparatchiks, whose main goal was to protect the government from bad press.

If Zvezda’s hull is failing then ISS faces some very serious engineering issues. They can be solved, but not by silence and sticking one’s head in the sand.

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Hubble about to resume science operations even with new issues

9:14 am

Engineers have fixed the computer software issue that caused the Hubble Space Telescope to go into safe mode this week, and are preparing it to return to full science operations.

It appears the problem was caused by a software upgrade that caused a conflict.

More serious however was this problem, which could have damaged the telescope beyond repair had it had been randomly pointed at the Sun during safe mode.

In entering safe mode on Sunday, however, the team discovered that the aperture door located at the top of the telescope failed to automatically close. This door is a safeguard designed to keep the Sun’s damaging light and heat out of the telescope’s interior, protecting its sensitive instruments and their surroundings. It serves as a safety net if Hubble accidently points in the direction of the Sun due to an error or hardware problem.

…The team has looked at spacecraft engineering data, run various tests, and verified that the door did indeed remain open despite the commands and power being sent to close it. Additional attempts to move the door by sending commands from the ground to its primary motor also failed to make the door move. However, the same commands sent from the ground to its backup motor did indicate movement, and that motor is now set as the primary motor. The team is looking at options to further reduce any associated risk.

It appears the primary motor that moves the door has failed. Fortunately there is a backup motor, but this is just one more item where the telescope has lost redundancy. We are very lucky that during safe mode the telescope didn’t end up pointing at the Sun, even for a very short time, for that would have ended Hubble’s operation for good. I suspect the safe mode software includes protections against that occurrence, but the possibility nonetheless existed.

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Military band joke

6:01 pm

An evening pause: One marching band from Britain is performing to an Italian audience when a band representing the Italian Bersaglieri (mobile light infantry who traditionally run at a trot instead of march) arrives to upstage them.

Silly and staged, but fun nonetheless.

Hat tip Jim Mallamace.

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China successfully launches new Long March 7A rocket

2:46 pm

The new colonial movement: China today successfully launched for the first time its new Long March 7A rocket, likely designed to replace its Long March 3B.

The Long March 7A is a 60.1-meter-long, 3.35-meter-diameter kerosene and liquid oxygen launch vehicle with four side boosters, capable of delivering up to 7 metric tons of payload to GTO [geosychronoous transfer orbit]. The launcher draws on new kerosene engine technologies along with a stage modified from the older Long March 3B series, China’s current workhorse rocket, boosting China’s launch options to GTO.

The Long March 7A is more capable than the Long March 3B, which can launch 5.5 tons to GTO. By launching from the coast, it also does not incur the cost and hazards of the inland 3B launches. [China] plans to carry out 3-5 Long March 7A launches a year by 2025. The first launch of the Long March 7A failed in March 2020. A loss of pressure occurred after first stage separation, which led to engine malfunction.

The 2021 launch race:

7 SpaceX
5 China
3 Russia
1 Rocket Lab
1 Virgin Orbit
1 Northrop Grumman
1 India

The U.S. still leads China 10 to 5 in the national rankings.

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Today’s blacklisted Americans: South Alabama University suspends 3 professors for 2014 Halloween costumes

2:07 pm

The cancelled Bill of Rights

They’re coming for you next: The University of South Alabama this month suspended three professors for wearing Halloween costumes back in 2014, seven years ago.

The photos show “then-Mitchell College of Business dean Bob Wood dressed as a Confederate general and professors Alex Sharland and Teresa Weldy posing with a whip and a noose,” WKRG5 reports.

The three teach in the university’s Mitchell College of Business. Wood and Sharland, who have tenure, have apologized, while Weldy, who is not tenured, “chose not to apologize,” the news station reports.

University brass is reportedly taking heat from the campus community for being aware of the photos since 2020 but not doing more about it. With that, [university President Tony] Waldrop upped his efforts on the nearly 7-year-old matter, calling the costumes and poses “offensive” and “contrary to our core principles of diversity and inclusion.” He pledged in his statement that the university will “address this situation in a manner that demonstrates our unwavering commitment to diversity, inclusion, and a safe and welcoming environment for every member of our community.” [emphasis mine]

» Read more

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Curiosity faces the mountains

11:48 am

A cropped section from Perseverance's 1st panorama
A cropped section from Perserverance’s 1st panorama.
Click for full image.

Though the present excitement over the spectacular images and sounds coming down from Perseverance is certainly warranted, what must be understood is that this rover is presently only at the beginning of its journey, and is thus sitting on relatively boring terrain, from a merely visual perspective. The scientists might be excited, but to the general public, all we really are seeing is a flat dusty desert with some scattered rocks on the floor. In the far distance can be seen some hills and mountains (Jezero Crater’s rim), but they are very far away.

Curiosity, which the press and the public has largely forgotten about, is actually just beginning what will likely be the most breath-taking part of its journey. As I noted in my last rover update last week, Curiosity is now at the very base of Mount Sharp, and is about to enter the mountain’s canyons and initial slopes. For its past eight-plus years of roving it has been on the flat floor of Gale Crater, followed by some weaving among the smallest foothills of Mount Sharp. The views have been intriguing and exciting from a research perspective, but hardly breath-taking from a picture-taking point of view.

That is now changing. The picture below, taken by Curiosity just this week, gives us a taste of what is to come.
» Read more

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Space Force awards launch contracts (two each) to ULA and SpaceX

10:08 am

Capitalism in space: On March 9th the Space Force announced that it has awarded four new launch contracts, two each to ULA and SpaceX, for a total cost of just under $400 million, all to launch in ’23.

Under the task orders issued March 9, ULA and SpaceX will each launch two missions. ULA was awarded $225 million to launch and integrate the USSF-112 and USSF-87 missions on its Vulcan Centaur rockets while SpaceX was awarded $160 million to launch and integrate USSF-36 and launch NROL-69 on its Falcon 9 rockets.

Based on these numbers it appears ULA is charging about $113 million per launch for its new Vulcan Centaur rocket, while SpaceX is charging about $80 million using its Falcon 9.

For ULA, that is less that what it would charge using its Atlas 5 rocket, but not by much. For SpaceX this price is high, probably because the military might be demanding the company use new boosters for its launches.

These high prices for both are to me a sign of how little our federal government cares about saving any money for the taxpayer. While the competition brought on by SpaceX’s arrival is saving the military money, the way these contract awards are structured, with both ULA and SpaceX guaranteed to win them, neither company has an incentive to reduce its prices. Instead, they can overcharge and the military can do nothing about it.

In a more sane world the military would use the competition in the launch market to get an ever better deal. Instead, our federal government sees its budget as a blank check, and they are using it.

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MEV-2 about to dock with communications satellite to extend its life

9:57 am

Capitalism in space: Northrop Grumman’s second Mission Extension Vehicle (MEV-2) is presently doing the last rendezvous maneuvers in the vicinity of one of Intelsat’s operating geosynchronous communications satellites in anticipation to its docking, when it will extend that satellite’s life by up to five years.

This is the second MEV to fly. The first successfully docked with a defunct 19-year-old satellite and brought it back into operation.

Meanwhile, in the Ukraine a new startup is proposing to use an upgrade of the automatic rendezvous and docking system once used by Progress and Soyuz capsules to create its own variation of MEV.

Kurs Orbital is raising $6.5 million in its first investment round this summer to start the demonstration vehicle that will rendezvous with an uncooperative object in low Earth orbit, he said. “I think that we will be on schedule for 2023 with a demonstration mission.”

The company plans to raise more money over the next few years to build a fleet of four vehicles to start offering de-orbiting services by 2025. Usov said de-orbiting is the low hanging fruit because it is a way to immediately help satellite operators make money.

Operators currently take geostationary satellites out of service to a graveyard orbit six to eight months before they are out of fuel. De-orbiting services would allow operators to keep the satellites in operation for several additional months and continue to generate revenues, Usov said. Those extra revenues would more than pay for the $10 million to $15 million de-orbiting service.

If successful, this company will be the third attempting to enter the robotic satellite serving business, with a number of others also aiming to make money removing space junk.

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A proposal to rebuild Arecibo as a better radio telescope

9:47 am

Even as the National Science Foundation (NSF) proceeds with the disassembly of the destroyed Arecibo radio telescope in Puerto Rico, some astronomers are proposing that a new radio telescope be built in its place, with a new design that will not require the instrument platform floating above a single dish.

Here’s the idea as outlined in a white paper circulated by Roshi and his colleagues: The Next Generation Arecibo Telescope would pack hundreds, maybe even more than 1,000 smaller radio dishes into the same space now occupied by the single 305-meter dish. Those smaller antennas would combine forces to act like a single larger telescope (no suspended instrument platform required).

Ideally, those dishes would be on a single, tiltable platform to access more of the sky from the Arecibo site; it’s possible multiple platforms could do the same.

The revamped telescope would have twice the sky coverage of the legacy dish, 500 times the field of view in individual images, at least double the sensitivity, and five times the radar power.

The cost for this new radio telescope is presently estimated to be about half a billion. Considering that the NSF didn’t have the money to operate the old Arecibo telescope, which was why it wasn’t properly maintained and collapsed, I doubt it has the cash to build this replacement. Congress, which likes printing money it doesn’t have, might step in and fund it, but if so that will only add to the national debt that is certainly going to cause the bankruptcy of the nation at some point in the future, a point that is getting closer and closer with each new trillion that Congress nonchalantly spends, on almost a monthly schedule.

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NASA sets March 18th for next SLS static fire test

9:38 am

NASA has now scheduled the next static fire test of the core stage of its SLS rocket for March 18th.

The background:

NASA attempted the hot fire test on January 16, but computers terminated the test after 67 seconds instead of 485 seconds because of the conservative test parameters that were set. This is not a test vehicle, but the actual core stage that will be used for the first SLS launch. NASA needs to ensure the testing does not damage it.

NASA decided to redo the test and scheduled it for February 25, but a problem with a pre-valve forced another delay.

If this March test is successful, it will take a month to prep the core stage for shipment by barge to Florida, where it will take several months to prep it for launch linked to its two solid rocket boosters now stacked and ready for launch. If that schedule moves fast, NASA is still aiming for a late ’21 launch, though most industry experts expect that date to shift into early ’22.

If the March test has any problems however this schedule goes out the window. Worse, it increases the chance that the two boosters will have reached the end of their 12-month use-by date (approximately December ’21), and will have to be dissembled and inspected. If that happens the launch will certainly be delayed by many months.

There is another possibility. NASA might waive that 12-month use-by date requirement for the boosters. If the agency does this, however, it will be another example of the same management mistakes that caused both the Challenger and Columbia shuttle failures, a desire to put aside proper engineering to meet a schedule.

One more thought: That it takes about four months to assemble the solid rocket boosters for SLS illustrates well the cumbersome and inefficient nature of this rocket. Launches not only cannot happen within days, they really cannot happen for months. Depending on such a rocket with such a low launch cadence will make the exploration of the solar system practically impossible.

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SpaceX successfully launches 60 more Starlink satellites

8:59 am

Capitalism in space: SpaceX last night successfully launched another sixty Starlink satellites, raising the total launched to 1,265, with more than a thousand operating.

The company also landed the Falcon 9’s first stage for the sixth time while reusing both fairings.

The 2021 launch race:

7 SpaceX
4 China
3 Russia
1 Rocket Lab
1 Virgin Orbit
1 Northrop Grumman
1 India

The U.S. now leads China 10 to 4 in the national rankings. In fact, SpaceX alone has as many launches as China and Russia combined.

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Mechanimations – It’s Worth It

6:01 pm

An evening pause: An animation that actually is real and useful, showing the full rebuild of a dirt bike engine.

What struck me is the number of parts and pieces and their complexity. Pause and consider the engineering thought that went into creating this and all such engines.

Hat tip David Eastman.

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Strange ridge ripples on the windswept plateau above Mars’ biggest canyon

3:25 pm

Strange ridges on Mars
Click for full image.

Today’s cool image is once again another of what I dub a “what the heck?” photo. The picture to the right, cropped to post here, was taken on December 17, 2020 by the high resolution camera on Mars Reconnaissance Orbiter (MRO) and captures some very strange ridges on the plateau above Mars’ biggest canyon, Valles Marineris.

The image, labeled merely as a “terrain sample,” was taken not as part of any specific research project but scheduled by MRO’s science team in order to maintain the camera’s temperature. When they do this they try to take pictures covering something interesting, but often it is a potshot that sometimes shows little of interest.

In this case the photo shows something very strange. The ridges in the sample are packed into one area only, but if you look at the full image you will see that they are also scattered about randomly and sometimes isolated on the flat plains surrounding this spot.

Interestingly, these ridges resemble the first “What the heck?” image I ever posted in 2019. That photo was located at about the same elevation as these ridges, but due west in the volcanic plains near Mars’s giant volcanoes and just off the western edge of the overview map below.
» Read more

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Nicaragua forms space agency

2:30 pm

The new colonial movement? In what appears to be a complete surprise within its own scientific community, the government of Nicaragua today announced the formation of its own space agency.

[T]he National Assembly approved the creation of the agency for the “defence of supreme interests” in space. It will seek “to expand the country’s capacities in the educational, industrial, scientific and technological branches”, according to president Daniel Ortega´s proposal.

The article at the link provides little information about this government effort, and instead is mostly filled with commentary by other scientists expressing their opposition to it. Nor can I blame them. Unlike rich countries like the UAE, Nicaragua is one of the poorest in Latin America. It can’t afford to buy the educational resources of the United States, as the UAE did.

Moreover, it is ruled by a socialist/communist government whose ability to produce wealth is exceedingly limited. If anything, the nation’s poverty is because of that government’s top-down policies. Establishing a space agency is merely another aspect of this approach, and will likely only act to provide photo ops for its leaders and little benefit to its citizens.

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Today’s blacklisted Americans: Conservative student journalism conference shut down by city of Alexandria, Virginia

11:57 am

They’re coming for you next: Based on a single anonymous complaint, the city of Alexandria, Virginia, shut down a conservative student journalism conference this coming weekend, claiming it was not following its Wuhan flu health regulations.

About 72 hours before the Intercollegiate Studies Institute’s Collegiate Network student editors’ conference was slated to begin this weekend, Hilton was told it could not take place due to COVID health regulations, organizers said. “We received news from our hotel that the local department of health … in response to an anonymous health complaint, someone called expressing concerns about the safety of the attendees at our conference,” John Burtka, president of the ISI, told Fox News’ Tucker Carlson on Wednesday.

“In response to that complaint, an eager and willing bureaucrat complied and reclassified ISI’s educational program as a social event, and all social events in the state of Virginia are limited to only 10 people, effectively canceling our student journalism conference,” he said.

Burtka said there are many other conferences being held throughout the state and ISI is willing to complying with all COVID safety regulations.

“This had nothing to do with public health,” he said. “What it had to do with is there was someone who clearly did not want this event to happen. … We are working to find another city that welcomes freedom, diversity and civil discourses for a variety of perspectives.”

Note the dishonest game played by Alexandria government. They clearly misused their insane and odious COVID rules — rules that make no sense under any definition of scientific and medical research — to silence a political event that they disagreed with, proving once again that these COVID restrictions never had anything to do with preventing the spread of COVID, but instead were designed to prevent the spread of ideas hostile to leftist ideology.

The organizers of the conference say it will go on, but they will not publicize the location or any details, meaning that only previously registered attendees will be included, and that anything said at the conference will essentially be muzzled from the public square.

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First results from UAE’s Al-Amal/Hope Mars orbiter

10:36 am

First data from Al-Amal
Click for full image.

The first science results from the United Arab Emirates Al-Amal Mars orbiter (“Hope” in English) have been released by the American universities operating one instrument.

The image to the right shows that data. The right globes show the areas of actual temperature data for both the Martian surface and atmosphere, with the left globes extrapolating that data across the entire planet.

The purple-green-blue hues show that the measurements were taken of the Martian nightside, although dawn on the planet can be seen on the right-hand side of the surface temperature image, as depicted by the red hues. Features such as Arabia Terra, which has cold nighttime temperatures, can be observed in the upper left portion of the surface temperature data, depicted by the blue and purple hues.

“EMIRS [the infrared spectrometer] is going to acquire about 60 more images like this per week once we transition into the primary science phase of the Emirates Mars Mission,” said EMIRS Instrument Scientist Christopher Edwards, who is an assistant professor and planetary scientist at [Northern Arizona University]. “We’ll use these images and sophisticated computer programs to build up a complete global, daily understanding of the Martian atmospheric components, like dust, water ice, water vapor and atmospheric temperature.” [emphasis mine]

The highlighted words above illustrate the true nature of this U.S./UAE joint mission. Right now the spacecraft is being operated by Emirate engineers in the UAE, but the spacecraft and its instruments were really built by U.S. universities, paid for by the UAE. As such, those American universities remain in charge of running those instruments, though UAE students are also being used to do that work as part of their education.

None of this is to denigrate the effort by the UAE. It used its financial resources to buy the expertise of American universities and companies to build this Mars orbiter, but did so with the express requirement that those American universities and companies also educate and train its people in such work.

That deal however once again illustrates the value of private enterprise and freedom. The UAE wanted to teach its people how to fly a planetary space mission. American universities had the knowledge to do it. The former then bought the skills from the latter, while the latter then got a science mission for free.

A match made in heaven with both benefiting marvelously.

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NASA completes assembly of SLS’s first two solid rocket boosters

10:11 am

The stacking and assembly of the first two solid rocket boosters for the first launch of SLS has been completed at Cape Canaveral.

The boosters, built by Northrop Grumman, now only wait for the arrival of Boeing’s core stage, which is still awaiting the successful completion of its final static test, now tentatively set for sometime in the next week or so.

Stacking of the boosters began in November 2020, which means that the first SLS launch must happen by November ’21 because the boosters have a limited life span of about a year. To make that November launch happen on time however is becoming increasingly difficult. Assuming the mid-March core static static fire test in Mississippi is successful, NASA will have to then ship the stage to Florida and get it assembled with those two boosters. NASA has previously said it will take about six months to do this. Their margin between now and November is thus getting quite tight.

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NASA forges deal with private company to put American on Russian Soyuz

9:57 am

Capitalism in space: It appears NASA used the private company Axiom as its go-between to obtain a seat for an American astronaut on the next Soyuz launch to ISS in April.

The deal is very complex.

Based on the initial partnership arrangement between the Russians and NASA, astronauts for both countries would fly in equal numbers on each other’s spacecraft in a barter arrangement that involved no exchange of funds. Russia however has been balking at flying its astronauts on Dragon, claiming it does not yet meet their standards for a manned spacecraft. Thus, they have been demanding that NASA pay them to fly an American on Soyuz.

NASA meanwhile doesn’t have the funds, but it still wants to make sure there is always an American on board ISS, and to do that requires a second ferry besides Dragon to provide redundancy. With Boeing’s Starliner delayed, they have been trying to get a seat on Soyuz as part of that barter deal, to no avail.

The solution? Private enterprise! To get that Soyuz seat at no cost it appears NASA made a barter deal with the private space company Axiom. Axiom is apparently paying the Russians for a seat on next month’s Soyuz flight, which will be filled by a NASA astronaut, and gets in return from NASA a free spare seat on a later American capsule.

The result? NASA pays nothing to the Russians, and still gets its seat on Soyuz. Where Axiom is getting the financing for its purchase is unclear, but because it is getting an extra seat at no cost that it can sell later for a big profit, I suspect that financing was not difficult to obtain.

The details for Axiom’s deal with Roscosmos have not as yet been revealed, though I am sure the Russians charged Axiom plenty for the seat on Soyuz. I also suspect that amount was far less then what the Russians would have charged NASA directly.

Once Starliner finally becomes operational NASA will have enough redundancy for getting Americans to ISS it will no longer need the Russians. Hopefully that will happen by the end of this year. If so, such shenanigans will no longer be required.

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Starship #11 moves to launchpad

4:00 pm

Capitalism in space: Less than a week since the flight and destruction of Starship prototype #10 post flight, SpaceX has now moved Starship #11 to the launchpad.

There is no firm word on when they will attempt to fly this prototype, but based on past history, they will likely do at least one static fire test this week and schedule the flight for next week. All will depend of course on weather and on the results of the static fire test. For example, with #10 they found they needed to replace one engine after the first static fire test.

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China and Russia sign partnership agreement for lunar exploration

2:11 pm

The new colonial movement: China and Russia today signed an agreement outlining a partnership to jointly build a base and orbiting station on and around the Moon.

The International Lunar Research Station (ILRS) is described as a comprehensive scientific experiment base built on the lunar surface or on the lunar orbit that can carry out multi-disciplinary and multi-objective scientific research activities including exploration and utilization, lunar-based observation, basic scientific experiment and technical verification, and long-term autonomous operation. Statements from Roscosmos and CNSA underline that the project will be “open to all interested countries and international partners.”

Though not explicitly stated it is understood that the ILRS would be constructed at the lunar south pole.

Russia is slowly breaking off its partnership with the U.S. because the U.S. is insisting it sign the Artemis Accords, which require all signatories to honor property rights in space. Neither Russian nor China wish to do that, instead reserving those rights wholly to their own governments, their citizens be damned.

Thus, we have a deal for Russia and China to work together. China actually doesn’t need Russia, as it has clearly shown in the past five years that its space capabilities are quite sufficient and well funded. Russia however needs China, as its capabilities have been declining in recent years due to corruption within its aerospace industry as well as a shortage of funds caused by a poor economy and the drop in oil prices.

Working together however could help speed what they achieve while simultaneously fueling the growing international competition in space. In the end this will benefit everyone, as more will get done faster.

How we shall settle the disagreement over property rights and government power in space is a entirely different question, one that I address at great length in my next soon-to-be published book, entitled Conscious Choice: The origins of slavery in America and why it matters today and into the future. Stay tuned!

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Today’s blacklisted American: Leftist professor who demanded others be fired for their conservative opinions has now been fired for her leftist opinions

1:31 pm

The cancelled Bill of Rights

They’re coming for you next: Lora Burnett, a leftist professor who demanded that conservative teachers be fired or punished for expressing their conservative opinions, in February lost her university job due to the virulence of her own leftist opinions, expressed in a number of very ugly tweets.

The Collin [College] administration has now confirmed it won’t renew the untenured scholar’s contract, which ends in May, for not conducting herself “in a professional manner.”

Burnett shared images from the human resources letter she received, which allege she violated “delineated standards of conduct” through her “insubordination, making private personnel issues public that impair the college’s operations, and personal criticisms of co-workers, supervisors, and/or those who merely disagree with you.”

She characterized the firing as retaliation for “mean tweets.”

No, those tweets were not merely “mean,” they were part of a long tract record of demanding the punishment or firing of anyone whose politics disagreed with Burnett’s. For example,
» Read more

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A iceberg of water ice floating on a Martian dry ice sea

12:19 pm

Ice mesa near Mars' south pole
Click for full image.

British biologist John Haldane once once wrote, “The universe is not only queerer than we suppose, but queerer than we can suppose.”

Today’s cool image to the right, cropped to post here, is a fine example of Haldane’s words. It was taken on January 15, 2021 by the high resolution camera on Mars Reconnaissance Orbiter of a single lone mesalike feature sticking up in a flat expanse of Mars’ south polar dry ice/water ice cap.

I emailed Shane Byrne of the Lunar and Planetary Lab University of Arizona, who had requested the photo, to ask him what he thinks we are looking at. His response:

This region has a thick layer of CO2 ice sandwiched between water ice that’s above and below. CO2 ice is denser than water ice so I think a fragment of water ice of the underlying layer has risen up through the denser CO2 ice that covers this area (what geologists call a diapir).

Byrne also admits this remains merely “just a wild theory,” not yet confirmed.

Assuming this theory to be right, in a sense then this mesa is not really a mesa at all but an iceberg of water, floating not in a saltwater liquid ocean as on Earth but on a frozen sea of dry ice. Talk about queer! The wider shot below, taken by MRO’s context camera, illustrates how isolated this water iceberg is on that dry ice sea.
» Read more

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SpaceX requests FCC permission to expand Starlink service to trucks, ships, & planes

9:44 am

Capitalism in space: SpaceX has submitted a request to the FCC to expand its Starlink customer base by providing the service not only to rural areas but to large moving vehicles, such as trucks, ships, & planes.

In its application to the FCC, filed on Friday, SpaceX said expanding Starlink availability to moving vehicles throughout the U.S. and to moving vessels and aircraft worldwide would serve the public interest. “The urgency to provide broadband service to unserved and underserved areas has never been clearer,” David Goldman, SpaceX’s director of satellite policy, said in the filing.

Goldman said SpaceX’s “Earth Stations in Motion,” or ESIMs, would be “electrically identical” versions of the $499 antenna systems that are already being sold to beta customers. He suggested that they’d be counted among the million end-user stations that have already been authorized by the FCC.

…SpaceX CEO Elon Musk said in a tweet that Starlink’s ESIM terminals would be “much too big” to mount on cars — such as the electric cars that are made by Tesla, the other company that Musk heads — but would be suitable for large trucks and RVs.

The article at the link notes in detail how this request poses a serious competitive threat to two of SpaceX’s biggest rivals, Klymeta and Amazon’s Kuiper constellation. This is true, but it is so mostly because SpaceX has already launched more than a thousand satellites in its constellation, and is simply taking advantage of its advanced position to undercut its rivals.

For example, though Klymeta might be using already orbiting satellites put up by different companies, it is also charging twice what SpaceX wants to charge for its antenna system, making Starlink a more attractive product. Amazon meanwhile appears years away from launching its first satellite. It might have a better design, but such things are worthless if they aren’t built and operational.

These companies have no one to blame but themselves if Starlink grabs their hope-for market share. And the FCC should not block SpaceX just to protect them.

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Russian astronauts begin work to seal 2nd Zvezda leak on ISS

9:27 am

After successfully sealing the largest crack on the twenty-year-old Zvezda module on ISS, Russian astronauts have now begun work on sealing a second such crack.

The report, from Russia’s state-run news service TASS, is not very informative. It does not report the size of the leaks, their nature, and any other important conclusions the Russians have gathered about Zvezda’s overall condition and future, based on these cracks.

Nor has state-run NASA been very transparent on this subject, releasing little further information. The silence from these government entities about the cracks is very worrisome, as it suggests these fixes are merely bandaids on a more serious issue with Zvezda’s structure, and our dishonest and bureaucratic governments do not wish to reveal this fact to the public.

I hope I am wrong, but suspect I am not. If Russia follows its pattern for the past half century, they will provide a more detailed report only after the problem has been completely solved. If these patches are merely temporary fixes over a more serious problem, don’t expect that detailed report for some time.

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Meteorite recovered in driveway in UK only days after landing

9:18 am

Meteorite hunters successfully recovered a meteorite only days after it plowed through the atmosphere and landed in a driveway in Gloucestershire in the United Kingdom on February 28th.

The fragment, weighing nearly 300 grams, and other pieces of the space rock were located after scientists reconstructed the flight path of the fireball that unleashed a sonic boom as it tore across the sky shortly before 10pm UK time on Sunday 28 February. The black chunk of rock, a carbonaceous chondrite never seen before in the UK, thumped on to a driveway in the Cotswolds town of Winchcombe, scientists at the Natural History Museum in London said, adding that further fragments were retrieved nearby.

Ashley Green, a scientist at the museum, said it was “a dream come true” to be one of the first people to see and study a meteorite that had been recovered almost immediately after coming down.

Footage of the bright streak captured by the public, and a camera network operated by the Natural History Museum’s UK Fireball Alliance, helped researchers calculate that the meteor had spent most of its orbit between Mars and Jupiter before it ploughed into Earth’s atmosphere.

I seriously doubt that no carbonaceous chondrite asteroids have never been found in Great Britain before. Instead, what the reporter misunderstood was that this was the first such asteroid in the UK recovered immediately after its arrival. Carbonaceous chondrites are very fragile. Much of their material will quickly erode and disappear, preventing researchers from obtaining a complete census of their entire make-up. Grabbing this thing mere days after landing means they will have a sample more closely resembling these kinds of asteroids in space.

In this way this rock is not much different than the samples being brought back from Hayabusa-2 and OSIRIS-REx. It isn’t as pristine, but it certainly carries far more information that meteorites recovered decades or even centuries after landing.

Similar quick recoveries in the past few years have forced some major rethinking about the make-up of the asteroid population. This meteorite will likely add to that revolution.

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Hubble goes into safe mode

3:19 pm

Due to a software issue, the Hubble Space Telescope shifted into safe mode early yesterday and stopped doing its programmed science observations.

The engineers seem confident all will eventually be well, but we must also remember the telescope’s infrastructure (not its instruments) was built in the early 1980s and has been in space since 1990. That makes many parts of this telescope 40 years old. We are increasingly faced with the possibility of a fatal fault occurring that shuts it down for good, with no way at the present time to reach it and fix it, and with the only comparable optical space telescope in the works one being built by China to fly in formation with its space station.

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