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China denies the rocket stage about to hit the Moon comes from its rocket

9:23 am

A Chinese official yesterday claimed that the abandoned rocket stage that will hit the Moon on or about March 4th does not come from its 2014 Long March 3C rocket that tested technology for the later launched Chang’e-5 lunar sample return mission, as suggested by amateur astronomers and an engineer at JPL.

“According to China’s monitoring, the upper stage of the rocket related to the Chang’e-5 mission entered into Earth’s atmosphere and completely burned up,” Foreign Ministry spokesperson Wang Wenbin said Feb. 21.

Space tracking data from the Space Force’s 18th Space Control Squadron suggests that 2014-065B—the international designator for the rocket stage in question—reentered the atmosphere in October 2015, a year after launch, apparently backing China’s claim.

We are thus left with a mystery. If that abandoned upper stage did not come from either a SpaceX or Chinese launch, what launch did it come from? Or is it a rocket stage at all? Could it be a previously unidentified asteroid?

There is also the possibility that it is a piece from that Chinese launch, considering how the orbital data matches so well. The stage could have split or broken apart, with one part falling in the ocean as monitored by the Space Force, and the other section now heading for the Moon. If so, China is likely denying this fact for propaganda reasons.

6 comments

Northrop Grumman to launch new satellite serving mission in ’24 on Falcon 9

9:12 am

Capitalism in space: Northrop Grumman yesterday announced that it has awarded the contract for the first launch of its Mission Robotic Vehicle (MRV) — designed as a robot capable of installing multiple mission extension pods (MEP) on satellites — to SpaceX for a launch scheduled in 2024.

Once in orbit each MEP [Mission Extension Pod] is captured by the MRV and stowed for transport to the client satellite. The MRV rendezvous and docks with the client to install the MEP, which operates like an auxiliary propulsion device and uses its own thrusters to maneuver the client vehicle. Then the MRV detaches itself and moves on to grab another MEP for the next customer. The MRV is designed to stay in orbit for 10 years.

Anderson said the company expects to install as many as 30 propulsion pods over the life of the MRV.

“Our manifest for the MRV is full through mid 2026,” he said. Besides Optus, five other customers have signed term sheets to purchase mission extension pods.

Essentially, Northrop Grumman upgraded its Mission Extension Vehicle design to separate the repair section from the robot that installs it so that it is cheaper to launch everything. It can now launch multiple lighter and smaller repair pods as needed, with the robot already in orbit ready to go.

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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

Deformed Martian craters

2:04 pm

Deformed Martian craters
Click for full image.

Cool image time! The picture to the right, rotated, cropped, and reduced to post here, was taken on September 3, 2021 by the high resolution camera on Mars Reconnaissance Orbiter (MRO). The focus of the image for the MRO science team were the wedding cake layers inside the largest crater. These layers suggest glacial ice, with the layers suggesting multiple cycles of glacial ebb and flow. Since the crater is at 43 degrees north latitude, and sits in the chaos region dubbed Protonilus Mensae, smack dab in the center of what I call Mars’ glacier country, this conclusion makes perfect sense.

To my eye, however, the most interesting feature of this photo are the many distorted craters. The overview map below shows the picture’s location, as well as several nearby very large impact craters which might have caused many secondary impacts, including the many craters at this location.
» Read more

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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.

Pushback: Why are ANY parents sending their kids back to Loudoun County schools?

11:53 am

And clowns should not be running the schools
And the clowns must be fired, now!

In the past week the conservative press heralded two big legal victories against the administrative thugs running the schools in Loudoun County in Virginia who, despite no evidence that masks did anything but harm children, insisted the little kids under their supervision be muzzled eight hours a day.

First, despite an executive order by the new Republican governor, Glenn Youngkin, outlawing mask mandates in the schools, Loudoun County administrators refused to go along, even threatening to arrest children for trespass should they show up without masks. A local judge however on February 16th issued an injunction against the county’s mask mandate, preventing it from going into effect.

Second, the state’s legislature, controlled by the Republicans but with additional votes from Democrats, had quickly passed a law banning further school mask mandates, which Youngkin signed into law on February 18th.

Hallellujah! the conservative press declared. A victory against tyrants.

I say bah! » Read more

7 comments

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

Northrop Grumman launches Cygnus freighter to ISS

8:29 am

Capitalism in space: Northrop Grummann yesterday used its Antares rocket to successfully launch its Cygnus freighter to ISS.

This fact about this Cygnus is important:

This is the first Cygnus mission featuring enhanced capabilities to perform a re-boost to the space station’s orbit as a standard service for NASA; one re-boost is planned while Cygnus is connected to the orbiting laboratory.

In other words, Cygnus has been enabled to replace the boost capability that the Russians and Japanese provided.

The 2022 launch race:

6 SpaceX
2 China
2 Russia
1 Virgin Orbit
1 ULA
1 India
1 Europe (Arianespace)
1 Northrop Grumman

4 comments

Virgin Galactic chairman resigns

8:54 am

Getting out while the getting is good: Chamath Palihapitiya, who has been chairman of Virgin Galactic’s board since it went public in 2019, suddenly announced today that he has resigned from the company.

Palihapitiya’s SPAC, or special purpose acquisition company, took Virgin Galactic public in October 2019. The company’s stock has faced volatile trading since then — climbing above $60 a share in the months ahead of Sir Richard Branson’s test spaceflight, but it recently fell below its public debut price on news of a further delay in the start of commercial service.

The now-former chairman sold his personal Virgin Galactic stake in early 2021 that was worth over $200 million at the time. But he indirectly owns about 15.8 million shares through Social Capital Hedosophia Holdings.

Like Richard Branson, Palihapitiya sold the majority of his stock when the price was high, about the time the company flew its first and only passenger flight in July, with Richard Branson on board. His exit now suggests he wants out before the company’s dismal future prospects become obvious.

6 comments

Hugging galaxies

2:25 pm

Hugging galaxies
Click for full image.

Cool image time! The Hubble Space Telescope science team today released the photo to the right, cropped and reduced to post here, of the interaction of three galaxies, the larger two of which look like they are hugging each other.

This galaxy triplet is estimated to be about just under 700 million light years away. It was taken as part of a program aimed at producing high quality images of strange looking galaxies.

Using Hubble’s powerful Advanced Camera for Surveys, astronomers took a closer look at some of the more unusual galaxies that volunteers identified. The original Galaxy Zoo project was the largest galaxy census ever carried out and relied on crowdsourcing time from more than 100,000 volunteers to classify 900,000 unexamined galaxies. The project achieved what would have been years of work for a professional astronomer in only 175 days and has led to a steady stream of similar astronomical citizen science projects. Later Galaxy Zoo projects have included the largest ever studies of galaxy mergers and tidal dwarf galaxies, as well as the discovery of entirely new types of compact star-forming galaxies.

If you want to do some real science, you should definitely check out the Galaxy Zoo webpage. Anyone can join in, using images produced by the Victor Blanco 156 inch (4 meter) telescope in Chile to find cool stuff that needs closer examination using better telescopes like Hubble.

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Gehrels-Swift returns to science operations

2:13 pm

The Gehrels-Swift orbiting space telescope has returned to full science operations, after engineers determined the shut down on January 18th was caused by the failure of one reaction wheel and uploaded software allowing the telescope to function using only its remaining five gyroscopes.

In the last two decades satellite engineers have developed a range of software to allow spacecraft to point with acceptable accuracy using as few as two gyroscopes, even one in some circumstances. Thus, Gehrels-Swift has significant margin with five working reaction wheels.

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Protests by union teachers forces Indiana legislature to gut bill banning critical race theory

12:33 pm

Owned by the teachers, the unions, and the state
Owned by the teachers, the unions, and the state. Parents be damned!

“Segregation today, segregation tomorrow, segregation forever!” Because of the threat by Indiana teachers to quit en masse, as well as teacher protests, the Indiana state legislature has gutted a bill that would have have attempted to ban the teaching of the Marxist and bigoted critical race theory (CRT) program in the schools.

The quotes from teachers are somewhat hilarious, in a terribly depressing way. From the first link:

“I will have to quit, or I will have to ignore it,” Lang said, the Indy Star reported. “I will not comply. I can’t. It’s that bad.”

From the second link:
» Read more

40 comments

You can now buy payload space on a lunar rover!

11:18 am

Capitalism in space: Lunar Outpost, which is building a mini-rover that will fly on the private Intuitive Machines lunar lander scheduled for launch later this year, has now partnered with the company Copernic to sell the rover’s spare payload space to whoever wants to buy it.

Lunar Outpost of Evergreen, Colorado, is preparing to send a 10-kilogram robotic rover to the moon on an Intuitive Machines lander and SpaceX Falcon 9 rocket later this year. While the lander’s primary payload is a Nokia LTE 4G technology demonstration, Lunar Outpost is working with Copernic Space to sell an additional 3.475 kilograms on its first Mobile Autonomous Prospecting Platform (MAPP).

…Copernic Space created the online platform to streamline the process of buying and selling space-related products and services like shares in a space startup, satellite sensor tasking or payload space. By applying blockchain technology, Copernic Space converts space assets into non-fungible or digital tokens, which are designed to be bought and sold online.

For the next 11 days, Lunar Outpost is selling a gram of payload capacity on its MAPP Lunar Rover for $4,250. The minimum order is 100 grams. In April, the public sale begins, allowing people to buy or sell as little as one-hundredth of a gram of payload space.

It appears purchase will be by using blockchain currency, and appears to also involve the purchase of “non-fungible or digital tokens”.

Normally I would applaud this effort, but the addition of these digital tokens makes the sale process seem less than straightforward and even a little suspicious. What exactly are customers buying? And what exactly will go to the Moon? Copernic’s website describes this process, but even there its seems exceedingly vague and uncomfortably like a con game.

From what I can gather, customers who buy payload space can use Copernic to create these non-fungible tokens which can then be resold to others to make back some of the cost. I wonder, however, why would anyone buy these tokens in the first place. As far as I can tell, they have absolutely no value in the real world.

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Sierra Club official arrested for vandalizing Brownsville public mural with anti-SpaceX graffiti

11:02 am

Brownsville police today arrested Rebekah Lyn Hinojosa, a Sierra Club official, for spraying anti-SpaceX graffiti on the downtown mural painted by LA artist Teddy Kelly.

Hinojosa was taken into custody for spray painting the words “gentrified stop SpaceX” on a mural in downtown Brownsville. Hinojosa is the Senior Gulf Coast Campaign Representative for the Beyond Dirty Fuels Campaign, according to the Sierra Club website.

The level of ignorance illustrated by Hinojosa is difficult to measure. First, how can she think destroying art is no worse than “dirty fuels”?

Second, her belief that gentrification is somehow evil illustrates a truly profound close-mindedness and a refusal to notice that the prosperity that SpaceX is bringing Brownsville is helping everyone, poor and rich alike. She would be hard-pressed to find anyone who lives in Brownsville unhappy with SpaceX, if she made the slightest effort to ask — which she obviously does not wish to do.

Third, it appears she assumes her a short meaningless slogan constitutes a reasoned argument that will certainly change minds. And if she is right, we are truly doomed.

Hinojosa’s act however reveals the rising level of mindless hate against SpaceX’s achievements among the wine-and-cheese Democratic Party suburban crowd, the only people who really support leftist environmental organizations like the Sierra Club. They are beginning to marshal their forces to destroy the company, and sadly, their allies in the Democratic Party now control much of the government. At a minimum, expect serious delays at Boca Chica and with Starship due to this anti-capitalism campaign.

Hat tip to Robert Pratt of Pratt on Texas for letting me know about this story.

16 comments

Astroscale about to resume space junk capture test

10:06 am

Capitalism in space: After several weeks of delay due to unstated technology issues, the Japanese company Astroscale has begun maneuvers in its test to see if its robot satellite can approach from a distance and capture a target satellite acting as orbital space junk.

The Japanese startup has started moving its 175-kilogram servicer spacecraft closer to the 17-kilogram client satellite ahead of deciding whether to restart the demonstration, Astroscale said in a social media post.

According to Astroscale, it has made “good progress in working through solutions to the anomalous spacecraft conditions that we identified with ELSA-d,” or End-of-Life Services by Astroscale-demonstration.

The company did not disclose the nature of the issue, when it could restart the mission or the distance between the two objects.

That no specifics have been stated, and that the company also says it is “keeping regulators and key partners updated on our status,” suggests that maybe the problem wasn’t technical, but bureaucratic. Maybe some Biden administration functionary got nervous, and demanded Astroscale slow down the test so that he or she could review what was happening.

This would not surprise me in the least, though I admit it is nothing more than some wild speculation.

4 comments

Blue Origin’s CEO wants to build more suborbital New Shepard spacecraft

9:56 am

Capitalism in space: Bob Smith, Blue Origin’s CEO, declared yesterday that the company has more space tourist customers than it can fly on its single New Shepard suborbital spacecraft, and wants to build more to handle the potential traffic.

Jeff Bezos’ space company Blue Origin flew 14 people to space in 2021, and CEO Bob Smith on Thursday said the firm needs to build more of its New Shepard rockets to meet the demand from the space tourism market. “I think the challenge for Blue at this point is that we’re actually supply limited,” Smith said, speaking at the FAA Commercial Space Transportation Conference in Washington.

If true, this is good news, for the suborbital tourist market. It means there might be enough business for both Blue Origin and Virgin Galactic to survive and make money, at least for a few years.

At the same time, Smith’s focus seems wildly misplaced, since it is the orbital market, not the suborbital space tourism market, where the future lies, as well as the really big money. Putting tourists on short ten minute hops to space might be exciting right now, but very soon it will seem very passe, as more and more orbital tourist flights take place.

I wonder if anyone asked Smith about the status of Blue Origin’s orbital rocket, New Glenn, which remains untested and years behind schedule, all because.the BE-4 engine that will power it is also years behind schedule. It would be nice to know when the first flightworthy engines will be delivered to ULA, as well as installed on New Glenn. Those engines were promised more than a year ago, and are still not a reality.

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Shetland spaceport in Scotland delayed

9:45 am

Capitalism in space: The proposed spaceport planned for the Shetland Islands in the United Kingdom is now delayed because a government planning committee has failed to put it on its schedule for discussion.

A spokesperson for SaxaVord UK Spaceport said the SIC has now confirmed to them that the application will not be on the agenda on Monday, and has given no clear indication when it will be discussed.

…The council’s development director Neil Grant said: “This is a complex planning application and recently there has been great deal of information flowing between the applicant, ourselves and statutory consultees. We are working hard to ensure this is presented to the planning committee for a decision as soon as possible.”

So there will be no confusion among my readers, this proposed spaceport is not the same as the Sutherland spaceport in Scotland, presently under construction. It is a competitor, and until recently faced opposition from environmentalists, who have now withdrawn their objections.

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ESA dithers, forming committee to study concept of building its own manned capsule

9:37 am

My heart be still! The European Space Agency (ESA) has decided to create a committee to study the concept of building a European manned capsule so that it will no longer be dependent on either the U.S. or Russia to get its astronauts into space.

Aschbacher said a draft mandate for the new advisory group will be presented to ESA members at a March meeting of the ESA Council, with the goal for the group to start working immediately thereafter. The committee will prepare an interim report in time for the ministerial meeting in November, with a final report by next spring.

“It is clear that this group has to be independent and comprising mostly non-space experts,” he said, “because we really would like to look at various aspects of society from an economic point of view, a historical point of view, a geopolitical point of view.” That means including people such as artists and philosophers in the group to look at various aspects of exploration beyond science and technology. [emphasis mine]

The highlighted words illustrate the empty PR nature of this committee. It will not result in any European manned spacecraft at all. Instead, it will spend more than a year talking a lot about the wonders of space, and then produce a report repeating how wonderful space is and how Europe must be there.

The result? ESA will have wasted a year and not gotten itself one iota closer to having its own manned spacecraft.

If this hollow effort was the exception to the rule for Europe, there might be hope some political pressure could get the committee reformed and actually include engineers to develop a real design. That hope is in vain, however, because this is how Europe and ESA does everything. By the time ESA produces the first designs of this capsule, probably five to six years hence, it will be so out-of-date that building it would be a joke.

In a larger sense, this absurd committee and the top management at ESA and in the European Union that proposed it illustrate the overall bankruptcy of modern civilization’s entire management class. The people running governments worldwide are generally all do-nothing idiots, who talk a lot, waste a lot of money for their own aggrandizement, impose taxes and regulations on everyone else that makes the lives of ordinary people a misery, and fail in almost every project they undertake. We need only look at their panicked, dishonest, and failed global response to the Wuhan flu in the past two years for a prime example.

The official intellectual class that is running our governments worldwide are bankrupt. They need to be fired.

5 comments

Today’s blacklisted American: Wyoming school bans pictures of its kids learning to shoot rifles

11:50 am

Don't look! This picture might offend you!
Don’t look! This picture might offend you!

They’re coming for you next: Because it received complaints from unnamed offended individuals, the Wyoming Hot Springs County School District No. 1 decided to remove pictures and a post on its Facebook page showing middle school students learning to shoot air rifles.

Last week, the district shared a photo of some fifth- and sixth- grade students from Thermopolis Middle School working on their marksmanship with air rifles. “Mr. Deromedi’s 5/6th PE classes are working on their marksmanship with air rifles!” the now-deleted post stated. “All students passed their safety test and have been sharpening their skills.”

Without explaining why the school district removed the post, Superintendent Dustin Hunt said he regretted that it was “found offensive by others.” [emphasis mine]

Apparently, the Facebook post received a lot of attention, getting 66,000 shares and 6,000 comments, most of which were positive, according to reports that viewed the post before it was removed. A handful of commenters apparently were hostile however:
» Read more

12 comments

Firefly savior Max Polyakov gives away his stock

9:58 am

Capitalism in space: Forced by the Biden administration to leave the smallsat rocket company Firefly Aerospace because he is not a U.S. citizen, the billionaire Max Polyakov — who brought the company back from bankruptcy — has now sold his 58% share to the company’s founder, Tom Markusic for one dollar.

His announcement of this decision did not speak well of the federal government:

I am giving up for 1 usd consideration all my 58% stake in Firefly to my co-founder and partner Tom. Dear CFIUS, Air Force and 23 agencies of USA who betrayed me and judge me in all your actions for past 15 months . I hope now you are happy . History will judge all of you guys. Max love Ukraine and yes I have Ukrainian passport and I am Founder of Firefly !!! Bye my “bird” and at the end of the days I proud what I done for my Land soul and heritage !!!

While it is generally not a good idea to have a non-U.S. citizen controlling a rocket company, Polyakov’s record here was outstandingly positive, for the U.S. Moreover, the Ukraine is a strong ally of the U.S., or used to be. To force him out for no reason seems irrational. A more rational approach would have been for the government to insist on monitoring his actions closely, so that only if he appeared to be acting against our interests would it act.

Polyakov’s decision to give Markusic the company further proves his good will. Too bad we have now lost him.

4 comments

FAA administrator, a Trump holdover, announces resignation

9:41 am

FAA administrator Steve Dickson yesterday announced that he will officially resign from the agency on March 31, 2022.

Dickson was appointed by President Trump in 2019 to a five year term, so his resignation now cuts his term short by two years.

Dickson gave as his reason for resigning a desire to spend more time with his family, the go-to explanation for every Washington official’s resignation. While this may be true, I can’t help wondering if friction and pressure from the Biden administration contributed to his decision.

For example, though Dickson’s record with private enterprise has been mixed, his record in connection with commercial space was mostly good, working to help the new launch industry prosper by keeping out its way as much as possible. This record was especially obvious with SpaceX’s operations in Boca Chica, where there was little regulatory effort to slow that work until Biden became president, and even then relatively little. It could be the Biden administration was unhappy with this approach, and was trying to force Dickson to regulate SpaceX more.

A new administrator, appointed by Biden, will certainly be less friendly. Based on most Biden appointees in the past year, the administration will likely want to put someone in place who is hostile to capitalism, favors a communist agenda, and wants to impose strong government control. Thus, this resignation almost certainly puts another nail in the coffin of SpaceX’s desire to launch Starship test flights from Boca Chica.

Then again, that new administrator would have to be approved by the Senate, and right now, based on the Senate’s 50-50 split between Democrats and Republicans, it will be difficult for the Biden administration to get a radical leftist approved. This difficulty will be further magnified by Biden’s horrible poll numbers as well as similar polls suggesting a bloodbath for Democrats in the mid-term November elections. For them to force through an extremist in this position now will not help those poll numbers.

I therefore predict the nominee put forth by Biden will likely mouth empty support for private enterprise during the confirmation hearings. If the Senate Republicans are fooled by this disingenuousness (something that has happened frequently), when confirmed that person will immediately act to impose the government’s will on most commercial operations, especially those by SpaceX.

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EU advances proposal to build its own broadband satellite constellation

9:19 am

Capitalism in space? Despite negative assessments of the project by its own bureaucracy, the European Union has decided to move forward on a proposal to build its own broadband satellite constellation.

The board’s negative score was based on several factors, including a lack of “analytical coherence” about why the proposed constellation is the best solution to the problems it is intended to address about broadband access and secure communications, use of a “predetermined technical solution” that isn’t specified and a lack of a timetable. The board also raised concerns about the validity of the data the commission used to back the proposed constellation as well as climate impacts from deploying it.

According to E.U. rules, an impact assessment must receive a positive opinion from the Regulatory Scrutiny Board for it to proceed. If it receives a negative opinion twice, only the commission’s Vice-President for Inter-institutional Relations and Foresight, Maroš Šefčovič, can allow the initiative to proceed.

That was the case for the broadband constellation. “Because of the political importance of this Programme, the urgency of action and having the additional clarifications and evidence viewed as satisfactorily addressing the identified shortcomings and suggested specifications of the Regulatory Scrutiny Board, the Commission – also in the light of the agreement by the Vice-President for Inter-Institutional Relations and Foresight – has considered it opportune to proceed with the Programme,” the legislative proposal stated.

Except for a commitment to spend $6.8 billion, at the moment the proposal includes few details, including the type and number of satellites, what frequency they would use, what orbits they would be in, and who would build and launch them.

Based on the typical time schedule for other recent European projects, do not expect this constellation to launch for at least another decade, at which time it will be obsolete.

3 comments

Chandra in safe mode

9:11 am

The Chandra X-ray Observatory last week experienced a loss of power that caused engineers to put the science instruments on the space telescope into safe mode while they investigate the problem.

No further information is presently available.

Chandra has been in orbit since 1999, and is now on an extended mission through 2025. It would be a great tragedy if it failed now, just as the infrared Webb telescope is about to begin operations. The two space telescopes are complementary.

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Cracking ice on Mars?

12:43 pm

Cracking ice on Mars?
Click for full image.

Cool image time! The photo to the right, cropped and reduced to post here, was taken on December 7, 2021 by the high resolution camera on Mars Reconnaissance Orbiter (MRO). It shows what the MRO science team dubs “erosion of scalloped terrain” in the northern lowland plains of Mars.

The cracks invoke the polygon cracks one sees in mud as it dries. The circular feature suggests a buried crater whose shape is merely suggested because the cracks are conforming to the underground topography.

Are we looking at dried mud? Maybe, but more likely we are seeing a sheet of ice now sublimating away and cracking as it does so. If you look at the full photo you will see the cracked material also appears to drape itself over several nearby low ridges, something that seems more likely from ice than mud.

The overview map below also suggests this is a buried layer of ice.
» Read more

4 comments

Pushback: Three school board members recalled in San Francisco

11:10 am

London Breed, mayor of San Francisco
San Francisco’s Democratic Party mayor London Breed,
who now takes full control of school board.

Vote the bums out! Voters in San Francisco yesterday ousted three members of the city’s seven-member school board members because of their focus on renaming schools honoring American heroes like Washington and Lincoln while refusing to reopen the city’s schools or deal with its budget issues.

School board president Gabriela López, vice president Faauuga Moliga and commissioner Alison Collins were all stripped of their positions during a special election, according to tallies by the San Francisco Department of Elections.

Furious parents launched the recall effort in January 2021 after arguing the school board was pushing progressive politics instead of acting in the best interests of children amid the pandemic.

…The recall effort was launched as the school board was trying to rename 44 school sites that it said honored public figures linked to racism, sexism and other injustices — including Abraham Lincoln, George Washington and trailblazing US Sen. Dianne Feinstein (D-Calif.).

Critics argued the push made a mockery of the country’s racial reckoning — as parents demanded to know why the board would waste time renaming schools when the priority needed to be reopening classrooms. The board eventually scrapped the plan after widespread uproar.

Opponents had called the recall a waste of time and money given the district is facing a number of challenges, including a $125 million budget deficit and the need to replace retiring Superintendent Vincent Matthews.

» Read more

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China tests lunar orbital maneuvers using last in-space component of Chang’e-5 sample return mission

9:48 am

China appears to be using the last in-space component of its Chang’e-5 sample return mission, left in lunar orbit after the samples came back to Earth and the sample ascent capsule was sent crashing to the lunar surface, to test a variety of lunar orbital maneuvers that could be used in future missions.

Chinese engineers have apparently moved it from a near-Moon orbit to what is called a distant retrograde orbit (DRO), shifting back and forth from the Lagrange points on each side of the Moon with respect to the Earth. Though some spacecraft in the Artemis program are planned to use this orbit, this is the first time anyone has done so.

[S]pacecraft activity tracker Jonathan McDowell, also an astrophysicist at the Harvard-Smithsonian Center, told SpaceNews that he believes China is probably using the Chang’e-5 spacecraft gaining experience with astrodynamics. “They are using it as a toy to play around with. It is clearly useful as a stable lunar orbit for future missions, I just don’t think it’s a specific precursor.”

This activity is also par for the course for China. They have previously used other leftover lunar spacecraft to test different orbital maneuvers. The activity also confirms China’s determination to continue its exploration and settlement of the Moon.

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