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A clue to the Martian history of volcanic eruptions

1:00 pm

Dark layers in Medusae Fossae Formation
Click for full image.

Anyone who has taken even a single glance at a map of Mars cannot help but recognize that the red planet was once engulfed with repeated gigantic volcanic eruptions able to build numerous volcanoes larger than anything seen anywhere else in the solar system.

The cool image to the right, rotated, cropped, and enlarged to post here, provides a clue into those past eruptions, now thought to have been active for more than several billion years, with the most recent large activity ending several tens of millions of years ago. The photo was taken on May 7, 2021 by the high resolution camera on Mars Reconnaissance Orbiter (MRO), and shows just one tiny portion of the vast Medusae Fossae Formation, the largest thick volcanic ash deposit on Mars, about the size of India and what scientists think is the source of most of the planet’s dust.

What makes this picture interesting are the dark layers in the lower hollows. They indicate that this deposit was placed down in multiple eruptions, some of which produced material that appears dark blue in MRO images, and suggest that eruption was different than previous and subsequent eruptions.

The white cross on the overview map below notes the location of this picture in the Medusae Fossae Formation.
» Read more

3 comments

Today’s blacklisted Americans: Republicans blacklisted 53 to 1 over Democrats on social media

12:05 pm

Silenced by Twitter, Facebook, YouTube, and Google
Republicans: Routinely silenced by Twitter, Facebook, and YouTube.

Blacklists are back and the Democrats have got ’em: According to a review of the actions of the big social media companies against politicians, the Media Research Center has found that Republicans are censored at a rate 53 times more than Democrats on social media.

The attacks on Facebook, Twitter, YouTube, Google, Instagram, and others have been against both standing Republican members of Congress as well as Republican candidates running for office, with further evidence showing that Facebook very specifically has been favoring Democratic incumbents.

Nor have the top managers and owners of these social media companies been able to counter this data.
» Read more

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Genesis cover

On Christmas Eve 1968 three Americans became the first humans to visit another world. What they did to celebrate was unexpected and profound, and will be remembered throughout all human history. Genesis: the Story of Apollo 8, Robert Zimmerman's classic history of humanity's first journey to another world, tells that story, and it is now available as both an ebook and an audiobook, both with a foreword by Valerie Anders and a new introduction by Robert Zimmerman.

 

The print edition can be purchased at Amazon, any other book seller, or direct from my ebook publisher, ebookit. The ebook is available everywhere for $5.99 (before discount) at amazon, or direct from my ebook publisher, ebookit you don't support the big tech companies and the author gets a bigger cut much sooner.


The audiobook is also available at all these vendors, and is also free with a 30-day trial membership to Audible.
 

"Not simply about one mission, [Genesis] is also the history of America's quest for the moon... Zimmerman has done a masterful job of tying disparate events together into a solid account of one of America's greatest human triumphs."--San Antonio Express-News

Fired flight director accuses Virgin Galactic of lying about problems on July suborbital flight

9:19 am

A former Virgin Galactic flight director, who was relieved of his duties just before the company’s July suborbital flight that carried Richard Branson and then fired shortly thereafter, has accused Virgin Galactic of misleading the public in its statements about the problems that occurred during that flight.

Virgin Galactic has claimed that the high winds forced the spacecraft away from its planned flight path.

Mark Stucky, who Virgin Galactic fired eight days after Branson’s flight, said his former employer put out an inaccurate statement about why VSS Unity flew unauthorized into Class A airspace for 1 minute 41 seconds during its descent. Class A airspace is primarily used by airlines, cargo operators and higher performance aircraft.

“The most misleading statement today was @virgingalactic’s,” Stucky tweeted. “The facts are the pilots failed to trim to achieve the proper pitch rate, the winds were well within limits, they did nothing of substance to address the trajectory error, & entered Class A airspace without authorization.”

There is no way to know if Stucky’s accusation is correct. We might be seeing a bit of personal anger on his part considering his firing. At the same time, the FAA’s statement about this issue made no mention of winds, which suggests the Virgin Galactic statement might not be true.

Regardless, Virgin Galactic’s track record in matters of safety has not been stellar. The company needs to quickly resolve these issues or they will become a lingering sore that will damage sales for future suborbital flights.

4 comments

Wuhan panic continues to shut down India’s space agency

9:08 am

While most private companies and many nations, such as China and Russia, have been launching continuously since the advent of the coronavirus panic last year, India’s space agency ISRO continues to be shut down, completing few launches with a story today suggesting that the three remaining planned launches for 2021 will likely be delayed until next year.

There have only been two launches this year – the purely commercial PSLV C-51 launch in February carrying Brazil’s earth observation satellite Amazonia-1 and the GSLV-F10 mission in August carrying an Indian earth observation satellite EOS-03 that failed.

To be sure, the space agency has plans for three more missions before the end of the year, including the first development flight of the SSLV [Small Satellite Launch Vehicle]. The other two will use India’s workhorse PSLV to launch two earth observation satellites EOS-04 and EOS-06.

“The three planned missions appear unlikely this year,” a senior scientist at the agency said on condition of anonymity.

Worse, before the year began ISRO had reduced its targeted number of missions for ’21 from 16 to 5.

The article makes believe the epidemic has shut down other programs, such as Artemis, in the same way, but that is false. NASA’s Artemis program might have lost a few months in ’20 due to the agency’s panic over COVID, but since then it has been moving as fast as it can, considering the cumbersome nature of its engineering. Even Rocket Lab, which has been badly hampered by New Zealand draconian Wuhan rules, has managed to launch eleven times since January 2020, compared to the four launches attempted by India during that same time.

Whatever has caused the shut down at ISRO, it really hasn’t been the epidemic. Something about the agency’s management and its bureaucratic culture has prevented them from resuming flights. And as they remained stalled, the private commercial companies in the U.S. and China are grabbing their customers.

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Conscious Choice cover

Now available in hardback and paperback as well as ebook!

 

From the press release: In this ground-breaking new history of early America, historian Robert Zimmerman not only exposes the lie behind The New York Times 1619 Project that falsely claims slavery is central to the history of the United States, he also provides profound lessons about the nature of human societies, lessons important for Americans today as well as for all future settlers on Mars and elsewhere in space.

 
Conscious Choice: The origins of slavery in America and why it matters today and for our future in outer space, is a riveting page-turning story that documents how slavery slowly became pervasive in the southern British colonies of North America, colonies founded by a people and culture that not only did not allow slavery but in every way were hostile to the practice.  
Conscious Choice does more however. In telling the tragic history of the Virginia colony and the rise of slavery there, Zimmerman lays out the proper path for creating healthy societies in places like the Moon and Mars.

 

“Zimmerman’s ground-breaking history provides every future generation the basic framework for establishing new societies on other worlds. We would be wise to heed what he says.” —Robert Zubrin, founder of the Mars Society.

 

All editions are available at Amazon, Barnes & Noble, and all book vendors, with the ebook priced at $5.99 before discount. All editions can also be purchased direct from the ebook publisher, ebookit, in which case you don't support the big tech companies and the author gets a bigger cut much sooner.

 

Autographed printed copies are also available at discount directly from the author (hardback $29.95; paperback $14.95; Shipping cost for either: $6.00). Just send an email to zimmerman @ nasw dot org.

Today’s blacklisted American: Weatherman fired after 33 years for not getting COVID vaccine

12:03 pm

Weatherman Karl Bohnak, now a non-person
Weatherman Karl Bohnak, now a non-person.

Persecution is now cool! Karl Bohnak, who had been a weatherman for the Michigan television station WLUC for 33 years, was fired last week because he refused to get the COVID vaccine shot as now mandated by the station.

Bohnak announced his firing in an essay on his Facebook page [requires Facebook login]. I have posted the full text at the end of this essay, also posted here, to illustrate the rational, thoughtful nature of his decision. You might disagree with him, and think he should get vaccinated, but he outlines in clear detail his valid reasons for not doing so.

His essay also raises the very valid constitutional and ethically reasons for resisting the mandate of this company.

The abrogation of our liberty and freedom under the guise of a pandemic is very disturbing to me. Hopefully, whether you lean right or left, you are concerned about what has occurred the last year-and-a-half. I just wanted to go about my business, “live and let live”, and keep my mouth shut. But this act by the federal government through corporate America has brought me to a crossroads. Our way of life, our freedom and liberty, is collapsing before our eyes.

Sadly, Bohnak is not alone in this. Thousands of people across America are willingly losing their jobs because they will not submit to this dictatorial and entirely unconstitutional vaccine mandate. As the left has loudly proclaimed for decades, these Americans are declaring, “Our bodies, our choice!”

From the beginning, the data said that the lethality of COVID would merely be a variation of the flu. » Read more

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Leaving Earth cover

Leaving Earth: Space Stations, Rival Superpowers, and the Quest for Interplanetary Travel, can be purchased as an ebook everywhere for only $3.99 (before discount) at amazon, Barnes & Noble, all ebook vendors, or direct from my ebook publisher, ebookit.

 

If you buy it from ebookit you don't support the big oppressive tech companies and I get a bigger cut much sooner.

 

Winner of the 2003 Eugene M. Emme Award of the American Astronautical Society.

 
"Leaving Earth is one of the best and certainly the most comprehensive summary of our drive into space that I have ever read. It will be invaluable to future scholars because it will tell them how the next chapter of human history opened." -- Arthur C. Clarke

Martian mountaintop

11:03 am

Mountains on Mars
Click for full image.

The outcrop top
Click for full image.

Cool image time! The photo to the right, cropped, reduced, and enhanced to post here, was taken on September 21, 2021 by Curiosity’s high resolution mast camera, and shows the top of that spectacular rock outcrop about 200 feet to the west of where the rover presently sits. The top image, from my September 16, 2021 post, “Curiosity: Into the Mountains!”, indicates the location of the photo with the black rectangle. The red dotted line indicates the rover’s future planned route.

I estimate the whole outcrop is about 100 feet high, which means the cliff section seen in the photo to the right is probably about 30 feet high. It would make a great challenge for any number of rock climbers I know.

What makes this image especially striking are the overhanging rocks at the peak’s top. In the Martian gravity, about one third that of Earth’s, it is possible for much more delicate rock shapes to remain structurally stable, and the sharp jagged boulders hanging out at the top of this cliff demonstrate that in a quite breath-taking way. On Earth such delicate rocks would likely have quickly fallen.

The Curiosity science team is obviously most interested in the massive layers revealed by this cliff. I am also sure they are also as enthralled by the scenery as I am.

4 comments

Firefly selling its rocket engines to Astra

10:32 am

Capitalism in space: It now appears that Firefly’s effort to diversify its rocket business by selling its Reaver rocket engine to other companies has resulted in it selling that engines to its competitor Astra, for possible use either in that company’s smallsat rocket or in an new redesigned rocket not yet revealed.

Under the [$30 million] deal, which closed earlier this year, Firefly will send up to 50 of its Reaver rocket engines to Astra’s rocket factory in Alameda, California, where a development engine was already delivered in late spring for roughly half a million dollars, according to an internal Firefly document viewed by The Verge and a person briefed on the agreement. Astra engineers have been picking apart the engine for detailed inspection, said a person familiar with the terms, who, like others involved in the deal, declined to speak on the record because of a strict non-disclosure agreement.

Apparently, the contract includes clauses that forbid Astra from using the engine in circumstances that directly compete with Firefly’s Alpha rocket.

The article also suggests that the contract will allow Astra to manufacture the engine itself, thus keeping its operations in-house and not dependent on outside contractors.

The deal suggests two things. First, it shows the growing strength of Firefly. It is not only going to make money launching satellites, it will also do so selling engines to other companies. Second, the deal suggests Astra has issues with its own rocket engine, and needs something better quickly to survive.

6 comments

NASA awards Aerojet Rocketdyne contract to build 20 Orion main engines

10:21 am

NASA announced yesterday that it has awarded Aerojet Rocketdyne the contract to build twenty Orion main engines for capsules on missions running through 2032, with the first to be used on the seventh Artemis launch..

This engine is the one that Orion will use to enter and leave lunar orbit.

Based on the pace that NASA expects to launch SLS, once per year, I expect the last engine in this contract will fly in 2048, not 2032, since it will take about 27 years to put that many Orions into space after SLS’s first launch, expected sometime in the next five months.

In other words, this is a contract to keep the jobs at Aerojet Rocketdyne in existence for the next three decades, even if that company’s engineers build little and accomplish less. Nice welfare work I must say.

One comment

Galaxies in the early universe don’t fit the theories

9:33 am

The uncertainty of science: New data from both the ALMA telescope in Chile and the Hubble Space Telescope about six massive galaxies in the early universe suggest that there are problems and gaps in the presently accepted theories about the universe’s formation.

Early massive galaxies—those that formed in the three billion years following the Big Bang should have contained large amounts of cold hydrogen gas, the fuel required to make stars. But scientists observing the early Universe with the Atacama Large Millimeter/submillimeter Array (ALMA) and the Hubble Space Telescope have spotted something strange: half a dozen early massive galaxies that ran out of fuel. The results of the research are published today in Nature.

Known as “quenched” galaxies—or galaxies that have shut down star formation—the six galaxies selected for observation from the REsolving QUIEscent Magnified galaxies at high redshift. or the REQUIEM survey, are inconsistent with what astronomers expect of the early Universe.

It was expected that the early universe would have lots of that cold hydrogen for making stars. For some galaxies to lack that gas is inexplicable, and raises questions about the assumptions inherent in the theory of the Big Bang. It doesn’t disprove it, it simply makes it harder to fit the facts to the theory, suggesting — as is always the case — that the reality is far more complicated than the theories of scientists.

9 comments

Starliner unmanned demo flight likely delayed until ’22

9:20 am

Capitalism in space: The second Starliner unmanned demo flight, repeatedly delayed throughout ’21 due to scheduling and technical problems, is now likely to be delayed until next year.

Apparently, Boeing engineers have been unable to figure out why 13 of 64 valves on Starliner failed to function properly just hours before the last planned launch, causing the launch to be scrubbed.

The quality control systems at Boeing during this entire program have not shined. The capsule is now years behind schedule, and has been dogged by design and construction flaws — from software to parachutes to valves — that in the 21st century should not be problems any longer in building a manned spacecraft.

Like SpaceX and its Dragon capsule, Boeing owns Starliner and will be able to offer private citizens and companies flights on it once it is operational. These failures, however, will not be good for that future business. They make this spacecraft a far less appealing product when compared to the high quality of the engineering at SpaceX. Why would anyone risk their life on Starliner when they can buy a ticket on the apparently much more reliable Dragon?

In other words, Boeing has been doing terrible harm to its brand name with these problems. It needs to get them fixed, and fast.

3 comments

NASA reorganizes bureaucracy of manned programs

9:05 am

Moving those deck chairs! NASA yesterday announced that it is reorganizing the bureaucracy of its manned programs, splitting the Artemis program out from the commercial program.

The space agency announced today (Sept. 21) that it’s splitting the current Human Exploration and Operations Mission Directorate (HEOMD) into two new entities: the Exploration Systems Development Mission Directorate (ESDMD) and Space Operations Mission Directorate (SOMD).

…ESDMD will be responsible for the development of systems and technology critical for NASA’s Artemis program, which aims to land astronauts on the moon in the next few years and establish a sustainable human presence on and around Earth’s nearest neighbor by the end of the 2020s. ESDMD will also map out NASA’s broader “Moon to Mars” exploration strategy, of which Artemis is an integral part, agency officials said. (NASA aims to land humans on Mars in the 2030s, by leveraging the skills and techniques learned during the Artemis moon effort.)

SOMD, meanwhile, will be in charge of crewed launches and ongoing human spaceflight operations, including activities on the International Space Station and the commercialization of low Earth orbit, a NASA priority over the coming years. SOMD will also be responsible for crewed operations on and around the moon once they get up and running.

Kathy Lueders, who had been promoted from just running the commercial crew program to run all of manned space back in 2020, will once again run just the commercial side. The Artemis side will be run by another long time NASA administrator, Jim Free.

As I noted in 2020, these kinds of reorganizations at NASA happen periodically, and generally accomplish little except to allow NASA’s top managers to make believe they are doing something. In this case the split I think is intended to prevent Artemis from being completely taken over by commercial space, thus giving some bureaucratic clout to SLS and the factions at NASA that favor government control, with NASA designing and building everything rather than simply being a customer. If so, the decision is a bad one for Artemis. It means the Biden administration and those factions want to once again take over the design and construction of the entire Artemis program. Since NASA’s track record in this area has been abysmal for decades, it is unlikely this shift will change anything for the better.

This reorganization also suggests that the Biden administration has had second thoughts about the private and commercial approach as recommended in my policy paper, Capitalism in space and adopted by the Trump administration. If so, the consequences for the new emerging private space industry will not be good. They shall increasingly find the government more eager to micromanage their designs and concepts, rather than allowing the private sector the freedom to create things on its own.

The one silver lining to this change is that by creating these two divisions, NASA will be highlighting the competition between them. As commercial space increasingly succeeds, leaving the cumbersome Artemis program far behind, the split will illustrate clearly to the entire world that a government-built program is not the way to go.

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How to discover interesting things on Mars

2:13 pm

Overview map

Today’s cool image will do something a little different. We are going to begin in orbit, and by step-by-step zooming in we will hopefully illustrate the great challenge of finding cool geological features on the surface of Mars.

The first image to the right is an overview map of the Valles Marineris region. To its east, centered at the white dot, is a vast region of chaos terrain, endless small buttes and mesas and criss-crossing canyons. Travel in this region will always be difficult, and will likely always require some form of helicopter to get from point to point.

What is hidden in that terrain? Well, to find out you need to take a global survey from orbit with a good enough resolution to reveal some details. Below is a mosaic made from two wide angle context camera pictures taken by Mars Reconnaissance Orbiter (MRO).

Context mosaic of chaos terrain
For full images go here and here.

This mosaic, rotated, cropped, and reduced to post here, only captures a small section of the long north-south strips taken by MRO. The orbiter has taken tens of thousands of these strips, in its effort to produce a global map of Mars that shows some reasonable detail.

Do you see anything in this mosaic that looks interesting? Scientists need to pore over such images, one by one, searching for geology that is both puzzling and revealing. Sometimes the features are obvious, such as a single blobby crater in the flat relatively featureless northern lowlands.

Sometimes however the search can be slow and time-consuming because the terrain is complex, as is the example to the right. The many mesas and canyons can hide many interesting features. Since MRO can’t possibly take high resolution photos of everything, scientists have to pick and choose.

The planetary scientists who use MRO did find something here worth looking at in high resolution. Can you find it? Normally I’d provide a box to indicate it, but this time I’d thought I’d challenge my readers. Before you click below to see the feature, see if you can find it yourself in this mosaic. What would you want to photograph in high resolution?
» Read more

5 comments

Today’s blacklisted American: Blackballed professor at NC State sues

12:06 pm

The Bill of Rights cancelled at North Carolina State University
Freedom of speech cancelled at
North Carolina State University.

Fighting back: Stephen Porter, a tenured professor at North Carolina State University, has just filed a lawsuit against the university and several of its faculty for blackballing him for simply disagreeing with them on issues of politics and policy.

The introduction of the legal filing [pdf] outlines clearly the actions of the university’s faculty, designed to destroy Porter’s academic career:

[I]n retaliation for Professor Stephen Porter’s protected expressions of opinion on important societal issues, Defendants have intentionally and systematically excluded him from departmental programs and activities that are necessary for him to fulfill his job requirements, effectively hollowing his job out from the inside. They have done this in a deliberate effort to set the stage for his eventual termination. … Defendants are gradually forcing Plaintiff into what is effectively a “rubber room” in retaliation for his criticisms of the so-called “social-justice” ideology that now prevails both in his department and in academia more broadly.

Read the whole complaint. It describes in ugly detail the efforts by his supervisors to isolate and ostracize him so it would be impossible for him to teach and maintain his job.

So, what exactly did Porter do to bring the wrath of these petty dictators down upon him? » Read more

13 comments

Landing site chosen for VIPER lunar rover

9:49 am

Overview map

NASA has now chosen the landing site for its VIPER rover, in a relatively flat area about 85 miles from the Moon’s south pole and near the western edge of Nobile Crater (pronounced No-BEEL-e).

The white rectangle on the overview map to the right shows the landing zone. The green cross on the rim of Shackleton Crater marks the South Pole. The red outlines inside craters are regions that are believed to be permanently shadowed, and thus locations that might have water ice within them. Additionally, the data suggests there are a handful of small areas inside craters within the landing zone that might also have ice.

From the press release:

The area VIPER will study in the Nobile region covers an approximate surface area of 36 square miles (93 square kilometers), 10 to 15 miles (16 to 24 km) of which VIPER is expected to traverse through during the course of its mission. During this time, the rover will visit carefully chosen areas of scientific interest that will provide further insight into a wide array of different kinds of lunar environments. The VIPER team will look to characterize ice and other resources in these areas using VIPER’s sensors and drill.

The mission’s planned lifespan is presently set at 100 days. While the Moon’s day/night is 28 days long, the rover will likely see little darkness, since at this very high latitude the Sun will simply circle the sky near the horizon.

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SpaceX schedules likely first static fire tests for orbital Starship and Superheavy

9:01 am

Capitalism in space: SpaceX has scheduled a weeklong series of road closures at Boca Chica, beginning next week, suggesting they are about to begin the first static fire tests for the orbital prototypes of both Starship (#20) and Superheavy (#4).

The company has been installing or replacing engines on both prototypes, with the installation apparently now complete on Starship #20.

Starship’s current design features three gimballing sea-level Raptors and three vacuum-optimized variants with much larger nozzles – all in close proximity inside a 9m-wide (30 ft) skirt. As such, the first Starship static fire with any combination of Raptor Center and Raptor Vacuum engines will be a significant milestone for SpaceX. Eventually, that will likely culminate in the first static fire(s) of a Starship (likely S20) with all six Raptors installed – a test that will effectively qualify that prototype for its first orbital launch attempt.

As for Superheavy #4, they have been replacing some of its 29 engines while it sits on the launchpad, for reasons that are not clear.

It appears the company is aiming to get all of its ground-testing completed while the FAA’s approval process for the permit for the orbital flight is ongoing. This will make it possible to launch as soon as approval is obtained.

This strategy carries some risk. As long as the testing proceeds smoothly it will provide positive coverage during the FAA’s public comment period, running until mid-October. Should a test fail dramatically, however, the explosion could generate the wrong response during that comment period. Not surprisingly, SpaceX is willing to accept that risk.

5 comments

NASA reviewing a dozen commercial proposals for future government space stations

8:45 am

Capitalism in space: Rather than replace the aging International Space Station (ISS) with an entirely government-designed-and-built new station, NASA is now reviewing about a dozen commercial proposals from private companies.

NASA earlier this year unveiled the Commercial LEO Destinations project, with plans to award up to $400 million in total contracts to as many as four companies to begin development of private space stations. In response to NASA’s request, its director of commercial spaceflight, Phil McAlister, told CNBC that the agency “received roughly about a dozen proposals” from a variety of companies for contracts under the project.

…The ISS is more than 20 years old and costs NASA about $4 billion a year to operate. The space station is approved to operate through the end of 2024, with a likely lifespan extension to the end of 2028. But, moving forward, McAlister says NASA wants “to be just one of many users instead of the primary sponsor and infrastructure supporter” for stations in low Earth orbit.

Based on these initial proposals, NASA officials estimate that the agency’s cost for running this future privately-built station will be about $1 billion per year less than the cost for operating ISS.

The agency will also only pay a part of the development cost for the new station, expecting that since the private company or companies will be making money from it also they should front a significant portion of that development cost.

Essentially NASA is following precisely the recommendations I put forth in my 2017 policy paper, Capitalism in space. And as I also predicted, the result is more achievement faster for far less cost.

8 comments

Today’s blacklisted American: Gun stores in Boston suburb banned

12:04 pm

Browning Brothers gun shop, Ogden, Utah Territory, 1882. From left to right: Thomas Samuel Browning, George Emmett Browning, John Moses Browning, Matthew Sandefur Browning, Jonathan Edmund Browning, and Frank Rushton
Gun shops banned in Brookline, Massachusetts.

They’re coming for you next: The local government in Brookline, Massachusetts, a suburban community outside of Boston, is attempting to impose new zoning regulations that would essentially ban gun stores.

Under the new zoning proposal submitted by town board members Petra Bignami, Janice Kahn, Alexandra Metral, and Sharon Schoffman, gun stores would only be allowed to operate by special permit. It also states buffer zones will be around residential properties, private and public K-12 schools, and childcare facilities, which would block firearm businesses from operating within a certain distance.

The proposal came after the City of Newton, one town over, approved new zoning rules for gun stores in June that restricted them to three locations. This action was in response to a new gun store attempting to open.

Since this very leftist community is routinely hostile to the second amendment and the right to bear arms, it would astonish me if any special permit would ever be approved. And even if one was, the buffer rules are likely so restrictive that there is probably no location in town where a gun store would be legal.

The illogic of gun control advocates always amazes me. » Read more

18 comments

Glacial falls on Mars

11:01 am

A glacial falls on Mars
Click for full image.

Cool image time! The photo to the right, cropped and reduced to post here, was taken on July 2, 2021 by the high resolution camera on Mars Reconnaissance Orbiter (MRO). It provides us just one more clear example of the many glaciers found in that 2,000-mile-long strip of chaos terrain at 30 to 47 degrees north latitude that runs between the northern lowland plains and the southern cratered highlands, a region I like to call Mars’ glacier country.

What makes this glacial feature interesting is that these ice-filled alcoves are south-facing, which in the northern hemisphere means they get the most sunlight. Yet, the ice here remains, well-protected by its layer of dust and debris. Think of the dirty ice slush that manages to survive the longest on city streets in the spring. The dirt acts as protection so that the ice takes more time to melt.

The overview map as always provides our context.
» Read more

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China launches unmanned Tianzhou freighter to its space station

9:05 am

The new colonial movement: In preparation for the arrival of its next three-person crew, China yesterday successfully used its Long March 7 rocket to launch an unmanned Tianzhou freighter to its new space station, docking there seven hours later.

The Long March 7 is a new rocket that launches from China’s Wenchang spaceport on the country’s southern coast. Thus, its expendable stages fall into the ocean, not within China. The rocket also does not use toxic hypergolic fuels, but kerosene and oxygen, so it is less environmental harmful.

The crew will launch to the station on October 13th and will likely spend six months at the station.

The leaders in the 2021 launch race:

32 China
23 SpaceX
15 Russia
4 Northrop Grumman

The U.S. still leads China 34 to 32 in the national rankings.

2 comments

SpaceX targeting 6 commercial manned flights per year

9:06 am

Capitalism in space: With the successfully completion of its first manned orbital private space, SpaceX officials announced yesterday that they are expecting to fly about six such commercial manned flights per year.

Benji Reed, SpaceX’s senior director for its human spaceflight program projected as many as a half a dozen flights a year. “There’s nothing really that limits our capability to launch,” he said. “It’s about having rockets and Dragons ready to go and having everything in the manifest align with our other launches.”

…“The reality is the Dragon manifest is getting busier by the moment,” Reed said, noting the planned flight in early 2022 of four passengers for customer Axiom Space that will actually fly to and stay on the ISS for a few days. “It just goes on from there. We have a number of NASA missions that we’ll do, and we also have a growing backlog of commercial astronaut missions that we’re looking forward to perform.” [emphasis mine]

The highlighted words are most intriguing, suggesting that SpaceX might have an already signed line-up of customers ready to pay the ticket price to fly on a Dragon capsule.

Meanwhile, Elon Musk announced late yesterday that he has decided to donate $50 million of his own money to St. Jude Children’s Research Hospital, in celebration of the completion of the Inspiration4 flight.

“This brings tears to my eyes,” wrote Inspiration4 medical officer Hayley Arceneaux, a St. Jude physicians assistant and survivor of childhood bone cancer, of Musk’s donation. “Thank you Elon Musk for this generous donation toward our $200 million dollar fundraising goal for St. Jude!!!”

Isaacman also thanked Musk and reminded the public that the fundraiser is still underway. Isaacman donated $100 million of his own money to the fundraising goal, then donated the three other seats on Inspiration4 to raise awareness for St. Jude. Arceneaux was selected by St. Jude to fill the “Hope” seat on the crew.

If you wish to make your own donation to St. Jude, you can do so here. You can donate cash directly, or you can bid to win one or more of a variety of items that were carried on the flight.

23 comments

Inspiration4 passengers scheduled for return to Earth tonight

9:01 am

The first entirely private manned orbital mission to space is now scheduled to return to Earth tonight, with splashdown set for 7:06 pm (eastern).

The SpaceX live stream of the landing will begin approximately 4:30 pm (eastern).

Yesterday the passengers released some videos, including a conversation with children who are cancer patients at St. Jude Children’s Research Hospital. They also provided a video update to the general public.

As I noted yesterday, the primary goal of this flight is to raise money for St. Jude. If you wish to send a donation to St. Jude as part of the Inspiration4 spaceflight, you can do so here. You can donate cash directly, or you can bid to win one or more of a variety of items that are on the flight now.

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Badlands on the floor of a Martian crater

1:27 pm

Badlands on the floor of a Martian crater
Click for full image.

Cool image time! The photo to the right, rotated, cropped, and reduced to post here, shows one small section of a 30-mile-wide unnamed crater in the cratered equatorial regions of Mars northeast of Hellas Basin. Taken on July 21, 2021 by the high resolution camera on Mars Reconnaissance Orbiter (MRO), the science team labeled merely as “Rocky crater fill.”

Being at 17 degrees south latitude, there shouldn’t be any ice features in this crater, and the high resolution image to the right seems to confirm this. All we see is an endless plain made up of innumerable small sharp rock ridges interspersed with small low areas filled with sand dunes. This is bed rock, and if its strange stucco-like appearance was caused by a past glacial era, that era is long gone.

Below is a mosaic showing the entire crater, created from two MRO context camera images.
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Today’s blacklisted American: Conservative teacher fired for being conservative and colorblind

12:11 pm

Beth Reams horrible post

They’re coming for you next: Beth Reams, a math teacher at a Missouri prep school was fired when first some school alumni complained about her conservative politics that she posted on her private Facebook page and then the school administration discovered that she treated all her students equally and made no effort to find out their religion or race so as to promote the bigoted concepts of modern critical race theory.

The article at the link above tells her sad story in great detail, how the most progressive teachers and alumni from Pembroke Hill School in Kansas City, Missouri, started a campaign against her, with some accusing her of being anti-Semitic because in one Facebook post in August 2020 she published a meme — posted to the right — that made the entirely rational analogy between the Nazi death camps and the increasingly harsh COVID mandates being imposed by the state and federal governments.

It is absurd to accuse Reams of anti-Semitism for this meme. I am Jewish and lost relatives in the Nazi concentration camps, and I applaud Reams for posting it, because it expresses the very same ideas I myself have repeatedly expressed throughout 2020, that the harsh lockdowns and restrictions being imposed by governments were morally wrong, and could only lead to exactly the same kind of genocide as committed by the Nazis.

Reams’ firing however appears to have finally been prompted from something even more absurd and horrifying, revealed by the transcript of a Zoom meeting between Reams and Pembroke’s principal, Mike Hill, and its Director of Human Resources Vanessa Alpert. It appears the principal was upset because Reams made no effort to identify her students’ ethnicity or religion and make it their number one defining attribute. Instead, she focused entirely on teaching them all equally so they could learn math from her. The key portion of the transcript:
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