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New calculations raise odds from 1.2% to 2.3% that asteroid will impact Earth in ’32

11:36 am

New calculations have increased the chances that the recently discovered asteroid 2024 YR4 will hit the Earth in 2032 from 1.2% to 2.3%.

Ongoing observations from ground-based telescopes involved with the International Asteroid Warning Network will continue while the asteroid is still visible through April, after which it will be too faint to observe until around June 2028.

NASA’s James Webb Space Telescope will also observe the asteroid in March 2025 to better assess the asteroid’s size. Currently the asteroid is estimated to be 130-300 feet across.

There remains great uncertainty in these numbers. We will really not know for certain if the asteroid will hit us until its orbit is studied for the next few years. Moreover, its size and make-up is also not known precisely yet. It could be as large as 320 feet, or as small as 130 feet. If the larger size, it poses a much greater risk, though that risk shrinks again if it is a rubble-pile asteroid that will simply break apart upon hitting the atmosphere.

This is not something to take lightly. Though the asteroid is not a world-destroyer, it does have the ability to cause significant damage, depending on where it hits. As its arrival is not for eight years, there is even time to quickly put together an unmanned mission to study it. (In the past I would never said this, but the domination of private enterprise in our present competitive space industry makes many things possible that were impossible when NASA and the government ran everything.)

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More indications balloon company Space Perspective is about to go bankrupt

11:24 am

New details reported yesterday strongly suggest that the high altitude balloon company Space Perspective has been unable to find new investors and is on the verge of shutting.

In a February 5 email to stakeholders, Interim CEO Michael Savage provided the latest updates, shedding light on failed funding efforts, the company’s dire financial situation, and attempts to restructure its debt. The email also acknowledged the gravity of the challenges ahead, hinting at the possible closure of operations.

Savage’s email outlined efforts to secure funding, including meetings with investors Fortuna and Broadlight, both of whom ultimately declined to proceed. Savage explained that while there was initial interest, the company’s mounting debt and financial instability deterred further investment. “Both [investors] have expressed interest, but despite the current circumstances and since Nov./Dec. 2024, they feel that their LPs would not stomach the numbers,” Savage wrote.

The company has previously announced it was shifting operations out of the Cape Canaveral area to a location 90 miles north where costs were less as it searched for new investors. This new report suggests this move and the search have not worked and the company will soon go out of business.

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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

ULA swapping Vulcan for Atlas-5 for first 2025 launch

11:18 am

ULA has decided to destack the Vulcan rocket it had planned as its first launch in 2025 (launching a military payload) and is now replacing it with one of its remaining Atlas-5 rockets to put the first batch of satellites for Amazon’s Kuiper internet constellation.

It appears the military is not ready to certify this launch after the second Vulcan launch in October 2024 experienced a problem with one of its strap-on boosters. The payload got to its proper orbit, but the loss of that booster’s nozzle appears to be an issue the military remains concerned about.

Rather than wait, ULA decided to switch to the Kuiper launch. The company wants to complete up to 20 launches in 2025, many of which are for Amazon using its last ten or so Atlas-5 rockets. When it can start commercial launches of Vulcan remains somewhat uncertain. The military has indicated it will make a final decision of certification in the spring, and has also said that first operational flight will follow soon after.

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Boeing notifies SLS employees of impending layoffs

11:04 am

The real cost of SLS and Orion
The expected real per launch cost of SLS and Orion

Boeing yesterday sent a notice out to its employees working on NASA’s SLS rocket that up 400 could be laid off due to “revisions to the Artemis program and cost expectations.”

Boeing SLS employees were informed Feb. 7 that the company was making preparations to cut up to 400 jobs from the program because of “revisions to the Artemis program and cost expectations.” The specific positions being considered for elimination were not announced but would account for a significant fraction of the overall SLS workforce at the company.

This is probably the most significant update from the entire SLS program since it was first proposed by George Bush Jr in 2004. All other announcements either told us there were going to be more delays, the cost was going up, or there were newly discovered technical problems caused by bad management or sloppy work. This announcement instead actually indicates that NASA management — under pressure from the new Trump administration — is finally addressing these failures after two decades.

In the past few months there have been many indications from the swamp in Washington that it is finally beginning to recognize the absurdity and stupidity of the whole SLS/Orion infrastructure, a realization I outlined in detail fourteen years ago, soon after the project was reshaped from the absurd and stupid Ares project under Bush Jr. to SLS/Orion under Obama.

It took however the arrival of Trump (changed himself from his first administration) to do it. Trump is doing what no president has done in our lifetimes, going through all federal programs and ripping them apart if they are failing to do what they promise. And he is doing it with full and amazingly enthusiastic support of the American people. No one cares that government employees are “crying.” Nor does anyone pay attention any longer to these sob stories, put out by the propaganda press. It have proven itself to be habitual liars whose only interest has been prop up the Washington swamp, and everyone now recognizes it.

Expect a major reshaping of NASA and its entire manned program. We will still be heading to the stars, but finally doing it.

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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.

Arthur Clarke in 1964 predicts the future in 2000

6:01 pm

An evening pause: Something to ponder over the weekend. The video only includes two short clips from this 1964 BBC show, and thus picks two that have ended up to be largely right. And though Clarke’s predictions were not all right, he hit the mark an incredibly high number of times.

Hat tip John Jossy.

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The weird landscape in Mars’ glacial country

1:33 pm

Overview map
Glacier country in the northern mid-latitudes of Mars

The weird landscape in Mars' glacier country

Cool image time! The picture to the right, rotated, cropped, reduced, and sharpened to post here, was taken on November 4, 2024 by the high resolution camera on Mars Reconnaissance Orbiter (MRO).

The science team labels the features in the lowland below the mesas “ribbed terrain.” To me it looks like peeling paint. What it is however is glacial material, a lot of it. The white dot on the overview map above marks the location, in the middle of the 2,000-mile-long mid-latitude strip in the northern hemisphere I label glacier country, because practically every high resolution image of this region shows glacial features like those on the right.

The mesa with the crater on top gives a clue on the geological history. This is chaos terrain, a region of random mesas cross-crossed with canyons and wide low plains, as shown in the inset. The entire surface was probably once at the same height as the top of that mesa with the crater. Over time glacial ice eroded away along fault lines. As that sublimation process continued, the fault lines widened to became canyons, then the flat plains, with the isolated mesas remaining between.

The “peeling paint” terrain is likely a layer of ice that is in the process of sublimating away.

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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

SpaceX to use older Dragon capsule for next manned launch because of issues with new capsule

9:12 am

Ars Technica today reported that because of continuing battery issues with the new Dragon manned capsule, SpaceX now plans to use the older Endurance Dragon capsule for the next manned launch to ISS and prevent further delays in bringing home the two Starliner astronauts.

NASA now believes the vehicle will not be ready for its debut launch until late April. Therefore, according to sources at the agency, NASA has decided to swap vehicles for Crew-10. The space agency has asked SpaceX to bring forward the C210 vehicle, which returned to Earth last March after completing the Crew-7 mission.

Known as Endurance, the spacecraft was next due to fly the private Axiom-4 mission to the space station later this spring. Sources said SpaceX is now working toward a no-earlier-than March 12 launch date for Crew-10 on Endurance. If this flight occurs on time—and the date is not certain, as it depends on other missions on SpaceX’s Falcon 9 manifest—the Crew-9 astronauts, including Wilmore and Williams, could fly home on March 19. They would have spent 286 days in space. Although not a record for a NASA human spaceflight, this would be far longer than their original mission, which was expected to last eight to 30 days.

The new capsule will then be used for Axiom’s fourth commercial flight to ISS, AX-4, presently scheduled for later in the spring.

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Vast delays launch of Haven-1 space module to May 2026

9:02 am

Haven-1 with docked Dragon capsule
Haven-1 with docked Dragon capsule

The space station startup Vast yesterday announced that it had revised its overall schedule, delaying the launch of its Haven-1 space module from August 2025 to May 2026.

Based on their testing program this delay had become increasingly expected. They have only now begu testing of the primary structure qualification article of this module, with it passing its first pressure tests. Vibration testing is still to come. This makes the August 2025 target date impossible.

The plan now is to begin construction of the actual module as soon as this testing is complete in about a month, with the primary structure ready in July. Integration and testing will then follow to be completed by March 2026.

The launch of Haven-1 on a Falcon 9 rocket is now targeting May 2026, with its 30-day four-person crewed mission to launch no earlier than the end of June 2026.

As the company notes,

Vast was founded in 2021. At the time, NASA had already launched the CLD program and awarded funding to [three] other [space station] companies. Recognizing the need for a leapfrog strategy, we developed Haven-1 to set us apart. When NASA selects its partner(s) to carry forward its low-Earth orbit (LEO) legacy, we will be the only company operating a crewed space station—one we designed, built, tested, and verified for safety entirely in-house.

…Every lesson learned from Haven-1 will be applied to our CLD Phase II proposal—Haven-2. No team will have more operational experience than Vast. No design will carry as much flight heritage. No company will be better positioned to deliver for NASA as fast—thanks to our work and over $1 billion investment in Haven-1 ahead of CLD Phase II.

This strategy all depends of course on getting Haven-1 launched as planned. Based on the company’s operations so far, the odds appear high that it will meet this new schedule. There are no guarantees however.

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February 6, 2025 Quick space links

7:26 pm

Courtesy of BtB’s stringer Jay, who’s real work has made it difficult to send links this week. I thank him for persevering anyway.

This post is also an open thread. I welcome my readers to post any comments or additional links relating to any space issues, even if unrelated to the links below.

  • Geost sues Sierra Space for breach of contract
    The suit claims Sierra used Geost to get a satellite contract from the military, then broke the deal to replace it once the contract was won. It wants more than $17 million to recover its costs, plus punitive damages.
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SpaceX withdraws from process to bring Starlink to South Africa

1:39 pm

In what appears to be directly related to the new South African law that will force the redistribution of private land holdings based on race, SpaceX this week withdrew from a meeting to discuss South Africa’s plan to license Starlink operations.

According to an Icasa spokeswoman, SpaceX notified Icasa on Wednesday evening that it would no longer participate in the oral presentations. The company had already made a written submission, which has not been withdrawn. It’s not clear why SpaceX decided to withdraw from the hearings – the company couldn’t immediately be reached for comment.

The withdrawal by SpaceX follows a post by Musk on his social media platform X that asked President Cyril Ramaphosa why the country has what he called “openly racist ownership laws”.

It is not surprising Musk had the company cancel its plans. Musk has more and more been learning about the corrupt and racist policies of the left, and since South Africa has been ruled for several decades by communists who have now decided to impose DEI quotas on land ownership that require a percentage of white-owned land to be confiscated to give to blacks, he has probably decided there are better places than South Africa to provide Starlink services.

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Astrobotic’s Griffin lunar lander gets commercial rover to replace NASA’s VIPER rover

11:51 am

Astrobotic’s commercial Griffin lunar lander has signed a deal with the space rover startup Venturi Astrolab to fly its FLEX Lunar Innovation Platform (FLIP) in place of NASA’s cancelled VIPER rover.

Last year NASA announced that it would be cancelling the VIPER lander that was set to travel aboard Astrobotic’s Griffin-1 lander, just months after the company’s first attempt at a moonshot failed. Now, the company has secured a contract to transport a rover developed by California-based aerospace firm Venturi Astrolab. That rover, the FLEX Lunar Innovation Platform, or FLIP for short, will be deployed to the Nobile region of the lunar south pole. The mission is scheduled for the end of the year and NASA’s contract with Astrobotic has been modified for the mission to serve as large lander demonstration flight.

This deal has significant ramifications outside of Astrobotic’s effort to make money hauling payloads to the Moon. Astrolab is one of three companies with NASA design contracts to develop a manned lunar rover for its later Artemis manned missions. By flying this smaller version now and successfully operating it on the Moon Astrolab puts itself in a better position to win the larger final rover contract from NASA, beating out Intuitive Machines and Lunar Outpost.

Astrolab was clearly aiming for the VIPER slot when it unveiled FLIP in October 2024. As I predicted then:

FLIP was clearly designed to match the fit of NASA’s now canceled VIPER rover that was to be launched on Astrobotic’s Griffin lander. Griffin is still being prepped for its lunar mission to be launched in 2025, but no longer has that prime payload. It is very obvious that Astrolab is vying to make FLIP that prime payload.

Note however how private enterprise moves. NASA can’t get it done but the competition to win contracts and make profits has these private companies scrambling to make things happen, quickly and cheaply.

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German startup Atmos gets FAA approval to launch its orbital research capsule

8:37 am

The German startup Atmos Space Cargo has now gotten its FAA launch license for testing the re-entry capability of its first orbiting research capsule, dubbed Phoenix.

That payload review was the final regulatory step needed for the mission, Sebastian Klaus, chief executive and co-founder of Atmos, said in an interview. The company doesn’t need a separate FAA reentry license because the spacecraft is planned to reenter over international waters, he said, and there are no licensing requirements by Germany, where the company is based.

Phoenix is fully assembled and has completed environmental testing, although the company is continuing to update software for the vehicle. “Physically and from a testing point of view, the spacecraft is ready for launch,” he said.

The capsule will be deployed immediately after the Falcon 9’s upper stage completes its de-orbit burn, so that it can then test that re-entry capability using an “inflatable decelerator”, likely a larger heat shield that can be used to protect a larger capsule.

This mission will be the first in a series of flights to test that inflatable system. If successful, the capsule will then be made available for orbital manufacturing for return to Earth, similar to the American startup Varda and its capsule.

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Putin fires head of Roscosmos

8:28 am

Vladimir Putin today fired Yury Borosov, who has run Russia’s space industry as head of Roscosmos for only two and a half years after he replaced Dmitry Rogozin, whom Putin had fired in 2022.

According to this British news report, Borosov was fired due to a “catastrophic reduction in the number of launches, as well as incidents and accidents with serious consequences”. Since 2022, the number of successful Russian launches has dropped from 21 to 19 to 17 (in 2024), and so far in 2025 it has only launched once, a classified military launch yesterday. Though there is no indication that launch was a failure, the timing of Borosov’s firing today suggests something might have gone askew once the payloads reached orbit.

The new Roscosmos head is 39-year-old Dmitry Bakanov, who was previously deputy minister of transport.

It is not likely Bakanov will have any better luck revitalizing Russia’s space industry than Borosov. First, Putin consolidated that industry in 2015 into this single Roscosmos corporation, so there is no competition allowed. Russia under Putin’s rule has increasingly returned to the top-down communist model, and as a result it is increasingly less capable of accomplishing much.

Second, Putin’s idiotic invasion of the Ukraine has done nothing but harm to the nation. And as that war continues to drag on, the harm has only been metastasizing.

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February 5, 2025 Quick space links

10:33 pm

Courtesy of BtB’s stringer Jay. This post is also an open thread. I welcome my readers to post any comments or additional links relating to any space issues, even if unrelated to the links below.

These are late because my email server was bouncing Jay’s emails. The issue is being investigated.

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Trump has finally taught Republicans how to fight

3:48 pm

Trump defiant after being shot
Trump defiant

One of the biggest complaints conservatives have had about the Republican Party for decades is that its politicians just would not fight. At the slightest hint that a Democrat was offended or disagreed, they’d fold like a house of cards. And their fear of the propaganda press made them so timid that Democrats could literally do anything and get away with it (as we are now finding out in the USAID scandal, which became a money laundering operation funneling taxpayer funds to partisan leftist organizations and media outlets).

Well, no more. Donald Trump got elected the first time and the second time because the one thing that stood out about him was his unwillingness to back down, and to “Fight! Fight! Fight!” As time has passed and he has been subjected to these same kinds of Democratic Party slander games, instead of folding he has grown stronger and more defiant. And his unwillingness to bow has taught the new generation of Republicans to fight as hard, to not back down, and to stick it right back at Democrats when they try this game.

Today congresswoman Nancy Mace (R-South Carolina) demonstrated she is part of this new generation. In questioning several witnesses about USAID’s absurd and corrupt funding of queer projects in foreign nations, she bluntly used the correct but shortened term for those who like to cross-dress, “tranny” for “transvestites.” This did not sit well with one Democrat, congressman Gerry Connolly (D-Virginia). Watch and be entertained by her response:
» Read more

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Martian hardened dunes untouched by dust devils

2:58 pm

Hardened dunes and dust devils
Click for original image.

Cool image time! The picture to the right, cropped to post here, was taken on September 26, 2024 by the high resolution camera on Mars Reconnaissance Orbiter (MRO).

I picked this image out of the MRO archive because of the many dust devil tracts that cut across the entire image, traveling in all directions with no apparent pattern. I also picked it because those tracks also cut across the many parallel small ridges that appear to be ancient ripple dunes that have since hardened into rock. What makes this landscape puzzling is how those dust devil tracks leave no evidence on those ridges. It is as if the ancient ripple dunes were laid down after the very recent dust devil tracks, even though that is chronologically entirely backwards.

Apparently, the dust devil tracks form because the devil only disturbs the dust that coats the flat low ground between the ridges. The ridges themselves are hard, and thus the devils, produced in Mars’ extremely thin atmosphere, can leave no mark.
» Read more

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Sunspot update: Sunspot activity continued its decline in January

11:58 am

Another month has passed, meaning it is time for another update on the Sun’s sunspot cycle, based on NOAA’s monthly graph tracking that activity but annotated by me with additional information.

In January the decline in sunspot activity on the hemisphere facing Earth since August 2024 continued, with the number of sunspots dropping to a level not seen since May 2023, when the Sun’s was ramping up from solar minimum to solar maximum.
» Read more

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The uncertainty of science: Scientists now say eating eggs reduces your chances of a heart attack

9:52 am

I wish they’d make up their minds: For decades scientists — and the U.S. government — claimed with absolute certainty that eating eggs increased your risk of a heart attack because of the egg’s cholesterol content.

Now they say “Never mind.”

The researchers analyzed data from 8,756 Australian and American adults aged 70-plus who participated in the ASPirin in Reducing Events in the Elderly (ASPREE) study and one of its sub-studies, the ASPREE Longitudinal Study of Older Persons (ALSOP) study. As part of the latter study, participants self-reported their total egg intake, which was categorized as never/infrequently (never or one-to-two times a month), weekly (one-to-six times a week), and daily (daily or several times a day). The association between egg intake and all-cause and cause-specific mortality – in this case, cardiovascular disease and cancer – was assessed after adjusting for sociodemographic, health-related and clinical factors, and overall diet quality. The follow-up period was close to six years.

Participants who fell into the weekly category of egg consumption, that is, they consumed one to six eggs per week, had a 29% lower risk of dying from cardiovascular disease and a 17% lower risk of dying from any cause compared to those participants who ate eggs never or infrequently. There was no statistically significant association between egg consumption and deaths due to cancer.

The study found that eating eggs with a high quality diet reduced the risk of heart disease even more. It also found that eating eggs has the same exact benefit even for those who already had high levels of cholesterol.

In other words, our lovely government and the American Heart Association had been handing out guidelines for decades based on nothing more than very uncertain science, and doing it with an air of arrogant certainty that should make everyone want to vomit.

I should note that the results above are uncertain as well. It is based merely on a correlation of eating eggs and lower heart disease, and we must remind ourselves that correlation does not prove causation. The study says nothing about how eating eggs might lower your risk of heart disease, and the correlation might very well be unrelated entirely.

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New Mexico’s Spaceport America loses another customer

9:37 am

New Mexico’s Spaceport America, first established in the early 2000s with the expectation it would soon see hundreds of suborbital Virgin Galactic tourist flights per year — launches that never happened — has now lost another customer

In an announcement made late Friday (Jan. 31, 2025) evening, the Experimental Sounding Rocket Association (ESRA) will be holding its annual Intercollegiate Rocket Engineering Competition (IREC) at the Midland International Air & Space Port in Midland, Texas, from June 9-14, 2025.

The announcement marks the first venue change for the IREC since the 2017 competition.

For seven years beginning in 2017 and concluding in 2024, ESRA along with the New Mexico Spaceport Authority (NMSA) partnered and jointly held IREC at Spaceport America. During that time, the IREC rebranded as the Spaceport America Cup (SAC) and grew significantly. The growth period of over a half-decade culminated with the 2024 Spaceport America Cup which featured the largest number of competing teams and launches (122) of any previous competition.

No reason for the shift to Texas was mentioned.

The Spaceport America boondoggle has ended up costing New Mexico taxpayers millions, with little to show for it. This change will only increase the losses, and raises more questions about whether that state government should continue pouring money into this black hole. No orbital rocket companies have any interest in launching from there, and Virgin Galactic won’t be launching again for at least a year, and when (or if) it resumes launches it will be doing only a small number of flights. Thus the spaceport’s customer base is very small, and shrinking.

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Rocket Lab wins another multi-launch contract

9:26 am

Rocket Lab today announced it has won a four-launch contract with a Japanese company, the Institute for Q-shu Pioneers of Space, Inc. (iQPS), to launch its Earth-imaging satellites.

The multi-launch contract, signed in July 2024 [but apparently not publicly announced till now], includes three dedicated missions for launch in 2025 from Rocket Lab Launch Complex 1 in New Zealand, with a fourth launch scheduled for 2026. Each mission will carry a single satellite to form part of iQPS’ planned constellation of 36 synthetic aperture radar (SAR) satellites that are capable of collecting images through cloud and at night with a high resolution of less than a meter.

Rocket Lab previously completed one launch for iQPS in 2023, signing the contract and launching within four months.

Though the company has not yet announced officially the number of launches it hopes to fly in 2025, it appears the number will exceed the 14 orbital launches it completed in 2024. Before adding the three 2025 iQPS launches above, Rocket Lab had 18 Electron launches listed for 2025 at the rocketlaunch.live website, as well as the first launch of the company’s new Neutron rocket. Altogether that adds up to a total of 22 launches.

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ISRO considering doing more docking tests with Spadex satellites

9:16 am

India’s space agency ISRO has delayed the undocking of its two Spadex satellites as it considers a plan to do more docking tests.

The original plan was to have the chase satellite complete only one docking with the target vehicle, after which the two satellites would separate and spend the next two years doing different work. That plan is being reconsidered.

[Isro chairman V.] Narayanan said in Sriharikota that they have to think of the money involved in such projects and utilise it to the maximum. “Now we are in the process of reviewing when to do the undocking, the power connections and when to totally separate them again and dock again. All these processes are going on. We do not want to undock and leave it,” the Isro chairman said.

“We have loaded five kg of propellant on both the satellites. The propellant is needed for docking and undocking exercises. Currently we have 60 to 70 per cent of the propellant (as of January 29) remaining in the spacecraft. There are going to be a lot of experiments in the docking, undocking, power connection exercises and it is not a one time exercise,” he said.

Sources at ISRO also suggest there may be issues with the docking that still need analysis.

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UAE hires Thales-Alenia to build its airlock for Lunar Gateway

9:09 am

The European space company Thales-Alenia today announced that it won the contract from the United Arab Emirates (UAE) to build its airlock for Lunar Gateway.

It was expected, that after the UAE signed its agreement with NASA in early January to build this airlock in exchange for one astronaut flight to Lunar Gateway, that it would also have to hire someone to build it since that country does not have the capability. Initial reports suggested it was negotiating with Boeing to build the airlock, but not surprisingly the UAE ended up going elsewhere, considering Boeing’s present troubles. Either the UAE decided Boeing was too great a risk and too expensive, or Boeing’s new upper management decided to beg off.

As noted here, Thales Alenia now has contracts to build four major components of Lunar Gateway: the hull of NASA’s habitation module, Europe’s habitation module, the refueling/telecommunications module, and now the airlock. While the graphic below shows that other Gateway components are being built by others, the graphic also shows that NASA has past off many modules to other countries. These deals could make it easier politically for the Trump administration to cancel Lunar Gateway. Thales-Alenia’s dominant position in building the station in Europe would make transferring ownership to Europe simpler, with U.S. participation secondary. The European Space Agency for example could pick up the cost for the modules being built by SpaceX and others.

Lunar Gateway

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SpaceX launches two high resolution Earth imaging reconnaissance satellites

8:34 pm

SpaceX tonight successfully launched Maxar’s last two of six high resolution Earth imaging reconnaissance satellites of its Worldview constellation, its Falcon 9 rocket lifting off from the Kennedy Space Center in Florida.

SpaceX placed the entire Worldview constellation in orbit over three launches. The first stage on today’s launch completed its fourth flight, landing back at Cape Canaveral, while the rocket’s two fairing halves completed their 21st and 23rd flights respectively.

This was also SpaceX’s second launch today.

The 2025 launch race:

16 SpaceX
6 China
1 Blue Origin
1 India
1 Japan

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Gullies on crater wall

3:11 pm

Gullies on Mars
Click for full image.

Cool image time! The picture to the right, cropped, reduced, and sharpened to post here, was taken on August 8, 2024 by the high resolution camera on Mars Reconnaissance Orbiter (MRO).

The picture’s research focus is the gullies, which the scientists’ describe as “perched pole-facing gullies on ancient crater wall.” Perched means the start and end of each gully is on that crater wall, linked neither to the top or bottom of the wall itself. That the gully starts below the top means whatever caused it came from within the wall itself, not from the plateau above. That it ends before the crater floor means the process that cut the gully out was not powerful enough to reach the bottom.

That the gullies are on the interior north wall of this unnamed 25-mile-wide crater means they get less sunlight year round, something that must play a part in causing the gullies.
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Astronomers find galaxy with nine rings

11:15 am

The Bullseye Galaxy
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Using both the Hubble Space Telescope as well as the Keck telescope in Hawaii, astronomers have discovered a galaxy with nine rings, something never seen before.

The gargantuan galaxy LEDA 1313424 is rippling with nine star-filled rings after an “arrow” — a far smaller blue dwarf galaxy — shot through its heart. Astronomers using Hubble identified eight visible rings, more than previously detected by any telescope in any galaxy, and confirmed a ninth using data from the W. M. Keck Observatory in Hawaii. Previous observations of other galaxies show a maximum of two or three rings.

More information from Keck can be found here.

Keck Observatory and Hubble’s follow-up observations helped the researchers prove which galaxy plunged through the center of the Bullseye — a blue dwarf galaxy to its center-left. This relatively tiny interloper traveled like a dart through the core of the Bullseye about 50 million years ago, leaving rings in its wake like ripples in a pond. A thin trail of gas now links the pair, though they are currently separated by 130,000 light-years.

The Hubble picture is to the right, cropped, reduced, and sharpened to post here. The small blue dwarf galaxy to the left is believed to be the galaxy that plowed through LEDA 1313424 to create the rings. LEDA is itself thought to be two and a half times the size of the Milky Way, making one of the larger known galaxies.

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