Category: Behind The Black

New data says interstellar Comet 3I/Atlas IS different from comets in our solar system

10:42 am

Using spectroscopic data from the ALMA telescope in Chile, astronomers have determined that interstellar comet 3I/Atlas is enriched in deuterium (sometimes called “heavy water”), with quantities as much as 30 times that found in ordinary solar system comets and 40 times that found in Earth’s oceans.

You can read the peer-reviewed paper here. From its abstract:

3I/ATLAS shows a deuterium enrichment exceeding Earth’s ocean value by more than a factor of about 40 and typical Solar System cometary values by more than a factor of about 30. The elevated deuterium enrichment points to water that formed under colder, less irradiated conditions and from less thermally processed material, consistent with an origin in a planetary system that formed under different physical and chemical conditions than our own.

In other words, the conditions in which Comet 3I/Atlas’ solar system formed were very different from those when our own solar system formed.

This conclusion is wonderful, but it raises more questions than it answers. Since we do not know how old the comet is, nor do we really know where it came from, there is little else we can glean from this result, other than it proves the conditions when solar systems form can vary widely.

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Blue Origin opens (secretly) its first foreign office, in Luxembourg

9:32 am

Blue Origin last week opened its first office in another country, in Luxembourg, though the company made no official announcement and the fact only became public when a Luxembourg official mentioned it at a conference in Colorado.

In an unexpected twist, the opening of the European HQ was eventually announced on 15 April 2026, not by the company but by Luxembourg Economy Minister Lex Delles – and not at the Grand Duchy office, but on his visit to the 41st annual Space Symposium, held in Colorado Springs in the US.

Blue Origin’s office on the capital’s Avenue de la Liberté had, in fact, opened right on schedule, Tim Collins, the company’s Vice- President of Global Operations and Supply Chain, told the Luxembourg Times in interview on Wednesday.

…Asked why Blue Origin declined to confirm its opening schedule until April, despite media follow-up requests, Collins said there was no cover-up: the company merely wanted to have something to show off before officially opening. The process has been roughly on schedule throughout, he stressed.

The office will work with Blue Origin’s European customers as well as manage its foreign supply chain, not just in European but globally.

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China launches another “set of test satellites promoting internet technology”

8:30 am

China today successfully placed what its state-run press described merely as “a new set of test satellites promoting internet technology”, its Long March 2D rocket lifting off from its Xichang spaceport in southwest China.

No word on where the rocket’s lower stages, using very toxic hypergolic fuels, crashed inside China. The state-run press did add this about the payloads:

These satellites will be mainly used to carry out technology tests and verifications, including direct satellite-to-phone broadband connectivity and space-ground network integration.

The leaders in the 2026 launch race:

49 SpaceX
22 China
6 Rocket Lab
6 Russia

For the third straight year SpaceX continues to lead the entire world combined in total launches, 49 to 39.

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Ted Nugent – Cat Scratch Fever

6:01 pm

An evening pause: Performed live 1979. I had never heard of this real disease caused from an infected cat scratch, until my knee surgeon warned me about it prior to surgery. As our two cats are gentle and have never scratched me, and are also indoor cats, I wasn’t concerned.

Then Diane sent me this song. Heh. You learn something new every day.

Hat tip Diane Zimmerman.

Note: At present I have almost no suggestions for evening pauses, not even from my regular contributors. If you’ve suggested pauses in the past you know the drill and have the guidelines. If you haven’t done so before but want to, just mention this fact in the comments below. I will contact you with the guidelines. Don’t include your suggestion in your comment or then I can’t really use it.

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Isaacman before Congress: Speaking the truth to power

1:24 pm

Jared Isaacman at House hearing yesterday
Jared Isaacman at House hearing yesterday

There has been a lot of attention given by the propaganda press to the testimony yesterday by NASA administrator Jared Isaacman before the House Science Committee, with almost all of that coverage focused on two issues, Trump’s proposal to cut NASA’s budget significantly, and the public statement by Isaacman that two Lunar Gateway modules were delivered “corroded.”

On the corrosion issue, much of the press focused on whether Isaacman’s statement is true (contractors are denying it). I instead was struck by how little pushback there was overall from Congress about Isaacman’s proposal to cancel Gateway entirely. In two hours of testimony, only one congressman brought it up, and even he did not challenge Isaacman’s decision very strongly.

Put simply, it really didn’t matter whether these modules were corroded or not. Congress is not going to challenge Isaacman on this decision. Some politicians might use it in fund-raising letters or at press events as a hammer to win votes or donations, but when it comes time to approve NASA’s budget, they are willing to accept Isaacman’s overall judgment. Gateway will be gone.

As for the budget cuts, I was also struck by the lack of hard opposition from Congress, despite reporting from the propaganda press (like this story) suggesting the cuts were rejected outright. Though repeatedly Isaacman was questioned about those cuts — especially from Democrats — repeatedly he fought back hard, to good effect. He supports Trump’s cuts and does not want more money, because in reviewing NASA’s budget and recent actions, he has found there is ample cash available in Trump’s reduced budget by simply shutting down bad or duplicative projects and focusing his resources more effectively.

The only threatened program that seemed to generate any passion from Congress was Trump’s effort to eliminate NASA’s education STEM program. “We need this program to inspire kids!” they would say. Isaacman would bluntly respond “No we don’t,” noting that NASA issues millions in education grants outside that program (making that program duplicative and unnecessary), and that the best way NASA can inspire kids is to actually fly missions, not send money to some bureaucratic program. Isaacman wants to use that money to make building the lunar base more likely.

Over and over again Isaacman pulled the rug out from under this big-spending congress critters by simply pointing out the truth to them, with one exchange with Zoe Lofgren (D-California) quite typical. She clearly was opposed to Trump’s cuts and wanted to challenge any cancellations being put forth. To do so, however, she wanted Isaacman to provide more detailed information about those cuts. Issacman said sure, I’m glad to provide you everything you want, but then added this:
» Read more

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ESA: Full-sized model of its Space Rider reusable capsule is ready for landing drop tests

10:08 am

Artist rendering of Space Rider in orbit
Artist rendering of Space Rider in orbit. Click for original.

My heart be still! The European Space Agency (ESA) yesterday announced that a full-sized model of its Space Rider reusable capsule is now ready for landing drop tests from a helicopter.

The avionics – Space Rider’s ‘brain’ – were installed in the second week of March. This computer hosts the Guidance, Navigation and Control algorithms that will steer the parafoil, adapting to the wind – including any gusts– to guide Space Rider to a soft landing.

Roughly the size of a mini-van, the drop-test model is a full-size stand-in for the 4.6-m long reentry module, Space Rider lands on skis with the landing gear permanently open on this model as the mechanism is not part of the drop test.

To get an idea how unserious ESA is, we need to review this project’s overall schedule. This reusable capsule concept — which appears to be a variation of either Varda’s returnable capsule or Boeing’s X-37B — was first tested by ESA in 2015. By 2017 the agency was promising it would be flying commercially by 2025. A decade later and they have not yet begun testing a full scale spacecraft.

And the development pace now is glacial. Last summer ESA did helicopter drop tests of just the “brain” and parafoil. It is now going to do those drop tests again, a year later, with this full scale model. Expect another year to pass — at a minimum — before it tries another set of helicopter drop tests, this time with the first actual Space Rider capsule.

At this pace, Space Rider might fly by 2030, maybe. In the meantime, expect at least a half dozen private capsules to fly commercially, for profit. Following Varda’s success investment capital has poured into this industry. All will go from a blank sheet of paper to a flight model in less than five years.

And even if ESA finally gets Space Rider operational, it has established some very complex rules about who can use it commercially, rules so complex I predict few will be interested.

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Russia launches the smallest version of its Angara rocket

9:34 am

Russia today successfully launched the smallest version of its Angara rocket, dubbed Angara-1.2, from its Plesetsk spaceport in northeast Russia, placing a number of classified payloads into orbit.

Russia’s state-run press released almost no information about this launch, partly because of its military nature but also because it has discovered recently that the Plesetsk spaceport is within range of Ukrainian drones, with one attack causing a launch to be scrubbed.

The leaders in the 2026 launch race:

49 SpaceX
21 China
6 Rocket Lab
6 Russia

For the third straight year SpaceX continues to lead the entire world combined in total launches, 49 to 38.

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China picks two Pakistanis to train for a future Tiangong-3 mission

9:22 am

As part of its Soviet-style propaganda effort to promote its space program, China yesterday announced the names of the two Pakistanis who will train for a future short mission to its Tiangong-3 space station.

The agency said in a statement that Muhammad Zeeshan Ali and Khurram Daud will come to China soon as reserve astronauts for training. After completing all training and evaluations, one of them will participate in a space mission as a payload specialist, becoming the first foreign astronaut onboard the Tiangong space station.

This flight is part of Pakistan’s partnership with China in its International Lunar Research Station (ILRS) project to build a lunar base, created by China to counter the U.S.’s Artemis Accords alliance. Pakistan will also fly a small demo rover on China’s Chang’e-8 unmanned lunar mission, scheduled presently for a 2029 launch.

While the American alliance has now signed 63 nations covering most of the world’s major nations, only thirteen nations and about eleven eleven academic or governmental bureaucracies — mostly third world — have joined China.

This Chinese international manned mission mirrors largely what the Soviets would do during the Cold War, flying someone from one of its captured countries to garner international propaganda points. Do not expect these astronauts to do much concrete work. During the Soviet era, the Russians would joke that these foreign astronauts would all get “red hands” disease, caused whenever they tried to touch anything and a Russian astronaut would then slap their hands, saying firmly “Don’t touch that!”

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SpaceX launches 24 more Starlink satellites

10:13 pm

SpaceX this evening followed up Rocket Lab with its own launch of 24 more Starlink satellites, its Falcon 9 rocket lifting off from Vandenberg Space Force Base in California.

The first stage completed its fifth flight, landing on a drone ship in the Pacific.

The leaders in the 2026 launch race:

49 SpaceX
21 China
6 Rocket Lab
5 Russia

For the third straight year SpaceX continues to lead the entire world combined in total launches, 49 to 37.

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Rocket Lab launches satellites for Japan’s space agency JAXA

9:56 pm

Rocket Lab today successfully placed eight smallsats for Japan’s space agency JAXA, its Electron rocket lifting off from one of its two launchpads in New Zealand.

Because all of JAXA’s rockets are presently grounded due to technical failures, Japan’s space agency has had to turn to Rocket Lab. In fact, these eight satellites were originally supposed to launch on JAXA’s Epsilon-S rocket, which remains grounded after an explosion during a static fire test. There have been no updates on the status of Epsilon-S since December 2024.

Rocket Lab was also supposed to do a suborbital hypersonic test flight yesterday out of Wallops Island in Virginia, using the first stage of Election in its HASTE suborbital configuration. As this is a test for the War Department, little information is generally released. This video from a distance confirms the launch apparently took place, but whether it was a success or not remains unknown. That Rocket Lab’s announcers did not tout its success either before or after today’s JAXA launch — as they have routinely done in the past — suggests something might have gone wrong, though this too is pure speculation.

The leaders in the 2026 launch race:

48 SpaceX
21 China
6 Rocket Lab
5 Russia

For the third straight year SpaceX continues to lead the entire world combined in total launches, 48 to 37.

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Curiosity looks at a small crater as it climbs Mount Sharp

11:50 am

Antofagasta crater
Click for full resolution. Click here, here, and here for original images.

Cool image time! The panorama above, created from three pictures taken by the right navigation camera on the Mars rover Curiosity (see here, here, and here), takes a look at a small relatively fresh crater on the slopes of Mount Sharp. From an update from the rover’s science team yesterday:

At the beginning of the week, Curiosity arrived right on target on the rim of the 10-meter (33 feet) “Antofagasta” crater. The crater looked fresh and deep as we had hoped with a nice well-defined rim that didn’t look too eroded, but the bottom of it turned out to be filled with dark rippled sandy material that covered up the most interesting rock layers. There were a few rock exposures just above the sand cover that seemed like they might have been deep enough to have been sheltered from space radiation between the time their sediments were deposited and the crater-forming impact, but reaching them from the rim would have put the rover at such an awkward angle that we wouldn’t have been able to deliver the sample to the instruments.

Overview map
Click for interactive map.

It’s possible that we might have been able to get into a better position by instead placing the rover on the rippled crater fill, but the chance that the rover could get stuck in all that sand made it much too high a risk. We also looked at the nearby blocks in case they could have been ejecta from the crater, but since all the rocks visible in the crater wall looked very similar to each other, there wasn’t a good way to tell which ejecta blocks might have come from the deeper layers of the crater. Because of this, the team decided against attempting to drill in or around the crater.

The overview map to the right provides the context. The blue dot marks Curiosity’s location when the pictures above were taken. The yellow lines roughly indicate the area covered by the panorama. The red dotted line marks the future planned route, the white dotted line the rover’s actual travels.

Note the flat rocks in the foreground of the panorama, all part of the crater’s rim. Each looks like a large flat paving stone that was very precisely shattered into numerous tiny pieces, all about the same size. Very strange. On Earth you’d assume some craftsman had laid these small pieces down like tiles, but of course, that couldn’t have happened on Mars.

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European startup Atmos raises €25.7 million to develop its orbital research capsules

9:18 am

Atmos' Phoenix-2 during re-entry
A graphic showing Atmos’ Phoenix-2 capsule during re-entry,
protected by an inflatable shield. Click for more information.

The European startup Atmos announced today that it has raised an additional €25.7 million [$30 million] as part of its ongoing commercial program to develop its Phoenix orbital research capsules that will fly in space for several months — where products can be produced in weightlessness — and then return those products safely to Earth.

The funding will support an initial three-vehicle PHOENIX 2 fleet, the launch of ATMOS WORKS for governmental and defence customers, and development of PHOENIX 3, the company’s next-generation orbital return vehicle.

The round is co-led by Balnord and Expansion, and joined by Keen Defence and Security. The European Innovation Council (EIC) participates through its Accelerator programme via blended financing, combining grant and equity components. Additional investors include OTB Ventures, High-Tech Gründerfonds (HTGF), APEX Ventures, Seraphim, Faber, E2MC, Kirch Ventures, Lennertz & Co., Mätch VC, MBG Baden-Württemberg, and Tech Horizons.

Since the American company Varda successfully demonstrated there was money to be made flying these small recoverable capsules, investment capital has poured into this industry. In the U.S. Varda, Inversion Space, and Sierra Space, have raised money for doing such orbital work. In Europe, The Exploration Company in France, Atmos in Germany, PLD in Spain, Genesis in Croatia, and Space Cargo in Luxembourg have also raised capital.

At this moment, however, only Varda has successfully launched and recovered a capsule.

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Northrop Grumman lost $71 million from its bottom line because of its solid-fueled booster failures

9:00 am

In its most recent financial statement, Northrop Grumman admitted it took a $71 million charge due to nozzle failures on two of its solid-fueled boosters, dubbed GEM 63XL, during two different launches of ULA’s Vulcan rocket.

In a statement about its first-quarter financial results, the company said its Space Systems division recorded a $71 million “unfavorable adjustment” to earnings at completion on its GEM 63XL booster “associated with a launch anomaly that occurred during the first quarter.”

The GEM 63XL solid-fuel booster is used on United Launch Alliance’s Vulcan Centaur rocket. On a Feb. 12 launch, one of four boosters shed debris about 65 seconds after liftoff. The “observation,” as ULA termed it initially, did not affect the success of the USSF-87 mission, placing its payload into its planned geosynchronous orbit.

ULA later called the incident a “significant performance anomaly” with the booster that it would investigate before returning Vulcan to flight. The vehicle has not launched since then.

A similar incidence took place during an earlier Vulcan launch, with the rocket’s core stage and the remaining undamaged boosters getting the payload into the proper orbit. The continuing problem however has now grounded Vulcan, though the military is considering using it for some small payload launches, without the GEM strap-on boosters.

As a result, the Pentagon has already shifted several launches from ULA to SpaceX, costing ULA a significant amount of revenue. In addition, Vulcan’s grounding will impact the launch of Amazon’s Leo internet constellation, which had a major contract with ULA to get its Leo satellites into orbit.

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Jordan to sign the Artemis Accords

7:42 pm

According to a press announcement tonight from NASA, Jordan will sign the Artemis Accords on April 23, 2026 at NASA headquarters in Washington, DC.

NASA Administrator Jared Isaacman will host Ambassador Dina Kawar of the Hashemite Kingdom of Jordan and U.S. Department of State Principal Deputy Assistant Secretary for Oceans and International Environmental and Scientific Affairs Ruth Perry for the ceremony.

Jordan becomes the 63rd nation to sign the accords. It also joins Bahrain, Oman, Saudi Arabia, and the United Arab Emirates from the Arab Middle East. While it is certainly wise to not trust any nation controlled by Islam, having these nations allied with us in space will help mitigate the worst aspects of their religion. That they are also joining a space alliance that includes Israel is another indication that they are realizing that their future is better aligned with Israel than against it.

The full list of nations in this American space alliance is as follows:

Angola, Argentina, Armenia, Australia, Austria, Bahrain, Bangladesh, Belgium, Brazil, Bulgaria, Canada, Chile, Colombia, Cyprus, Czech Republic, Denmark, Dominican Republic, Ecuador, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, India, Israel, Italy, Japan, Jordan, Latvia, Liechtenstein, Lithuania, Luxembourg, Malaysia, Mexico, the Netherlands, New Zealand, Nigeria, Norway, Oman, Panama, Peru, Poland, Portugal, Romania, Rwanda, Saudi Arabia, Senegal, Singapore, Slovakia, Slovenia, South Korea, Spain, Sweden, Switzerland, Thailand, the Philippines, the United Kingdom, the United Arab Emirates, the Ukraine, the United States and Uruguay.

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Japan to do test launch of its H3 rocket in June

1:28 pm

Japan’s space agency JAXA is now planning a test launch on June 10, 2026 of its H3 rocket, carrying a dummy payload only in order to test the changes it has made in the rocket after a failed launch in December 2025.

The failure of the eighth H3 rocket was likely caused by an adhesion problem in the satellite mounting structure, which led it to break apart during flight, according to an investigation by JAXA. Similar issues were found in other units, prompting the space agency to fix them so the components can maintain their structural integrity.

In the June launch, a dummy satellite will be mounted on the test vehicle to collect data and verify the effectiveness of the measures. For future launches of actual satellites or space probes, JAXA plans to review the mounting structure design to reduce the risk of failure.

In other words, the method for attaching the payload to the rocket at some points failed, so that the satellite separated prematurely. The June launch will be to test a new mounting system.

Posting has been light the last few days as I deal with recovery from knee surgery.

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Two launches by SpaceX

12:02 am

In the past two days SpaceX completed two more launches. The first, yesterday morning, placed 25 more Starlink satellites into orbit, its Falcon 9 rocket lifting off from Vandenberg Space Force Base in California. The first stage completed its 8th flight, landing on a drone ship in the Pacific.

Then tonight SpaceX launched a GPS satellite for the Space Force, its Falcon 9 rocket lifting off from Cape Canaveral Space Force Station in Florida. The first stage completed its 7th flight, landing on a drone ship in the Atlantic. That drone ship, “Just read the instructions,” is now being shifted to support Starship operations, and will no longer be used for Falcon 9, after supporting 155 first stage landings. What it will do in connection with Starship has not been made clear. The two fairing halves completed their 2nd and 3rd flights respectively.

The Space Force had originally intended to launch this satellite on a ULA Vulcan rocket, but a month ago it shifted the contract to SpaceX because of the nozzle problem that has plagued two different ULA Vulcan launches. Because of this shift, the time from contract award to launch was the quickest by SpaceX for the Space Force.

The leaders in the 2026 launch race:

48 SpaceX
21 China
5 Rocket Lab
5 Russia

For the third straight year SpaceX continues to lead the entire world combined in total launches, 48 to 36.

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NASA’s IG: With only Axiom building NASA’s future spacesuits, the agency’s lunar program faces great scheduling risk

12:23 pm

Axiom's two spacesuits being tested underwater
Axiom’s two spacesuits being tested underwater in October 2025.
Click for original.

According to NASA’s inspector general’s report today [pdf] on the state of NASA’s effort to create new spacesuits for use by its astronauts on future space stations as well as in its Artemis lunar program, the planned schedules for the lunar landing and those stations are threatened because the agency presently has only one contractor, Axiom, building new suits, and has not established any spacesuit standardization rules should it want to issue contracts to others. From the report’s conclusion:

While NASA is taking steps to mitigate schedule risk, it must also contend with the unique risks inherent to a single-provider environment until future competition is introduced. … If Axiom cannot satisfy its contractual requirements in a timely or cost-effective manner, then NASA could be forced to continue using the problematic EMUs throughout the life of the ISS and significantly adjust its lunar plans. [EMUs are the complex suits presently used on ISS, and would not work well for any lunar landing mission.]

While xEVAS [the new suit concept] is flexible enough to allow for additional providers, doing so may not help the Agency meet its more immediate Artemis goals. Critically, NASA must address existing design and safety risks resulting from the lack of standard requirements for spacesuits to be compatible with various lunar spacecraft and assets.

As shown by the photo above, the development of Axiom’s spacesuit has been proceeding, and seems likely to be available for next year’s Artemis-3 Earth orbit test mission. At the same time, it is still behind schedule, a fact that has been mitigated because NASA’s entire Artemis program is equally behind schedule.

The report lists three commercial companies that might be able to provide alternative suits, and thus some redundancy, as shown by the image below.
» Read more

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Hubble looks at the Trifid Nebula again

9:59 am

Trifid Nebula as seen by Hubble
Click for original image.

Cool image time! The picture to the right, cropped to post here, was taken by the Hubble Space Telescope and released today. It shows a small section of the Trifid Nebula, located about 5,000 light years away.

This location has been imaged numerous times in the past by Hubble. The area shown illustrates some fundamental aspects of stellar and nebula formation. The dark area in the lower right is a thick dust cloud. Several energetic O and B supermassive stars are out of view at the top. The radiation from these stars (indicated by the blue), is hitting that dust cloud and literally destroying it. It appears that the foreground “horn” exists because a larger object is blocking the radiation, allowing dust to survive in the background.

I have no explanation for the background “horn”.

This new image was taken in parallel with an image of the entire Trifid Nebula, taken by the new Rubin Telescope in Chile. Though Rubin cannot see with the same resolution as Hubble, its image is quite worthwhile viewing.

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New Glenn launches for 3rd time, reuses first stage and lands it, but fails to put satellite in correct orbit

11:54 am

New Glenn's first stage, just prior to landing
New Glenn’s first stage, just prior to landing

Blue Origin in the early morning hours today successfully completed the third launch of its New Glenn rocket, lifting off from Cape Canaveral Space Force station in Florida and placing in orbit AST SpaceMobile’s Bluebird-7 cellphone satellite. For Blue Origin, this launch was the first for a commercial outside customer, a significant step forward for the company, which has sadly earned a reputation for operating too slowly.

Unfortunately, according to an update from Blue Origin the satellite was deployed but in an “off nominal orbit.” An update just posted by AST states the satellite is a loss and is being de-orbited. This satellite would have been the seventh in AST SpaceMobile’s 45-60 satellite constellation designed to act as cell towers in space. AST hopes to have at least half the constellation in orbit by the end of ’26. Several major phone companies, such as AT&T, Verizon, and Vodaphone in Europe, have already signed on.

For Blue Origin, the launch wasn’t a total failure. The rocket’s first stage had flown in November 2025 on the second New Glenn flight, and was refitted (with a new set of engines) to fly again on this flight, the rocket’s third. It not only did its job, getting the upper stage into space, it successfully landed for the second time on New Glenn’s barge in the Atlantic. This fast reuse and successful landing should do a great deal to improve the company’s slow reputation. Unfortunately, the failure to deliver the customer’s satellite will counter that most significantly.

As for Blue Origin, this was its first launch in 2026, and it was also unsuccessful. The leader board for the 2026 launch race remains unchanged:

The leaders in the 2026 launch race:

46 SpaceX
21 China
5 Rocket Lab
5 Russia

For the third straight year SpaceX continues to lead the entire world combined in total launches, 46 to 36.

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EU releases revised Space Act proposal, and it is as odious as the earlier drafts

11:24 am

The European Union
This label would be more accurate if it read
“NOT made in the European Union”

The Council of the European Union (EU) in Brussels at the end of March released [pdf] a revised draft of its proposed Space Act that would impose a single regulatory framework for all space activities across the entire EU.

I have just finished reading this odious 157-page monstrosity, and I can say without question if passed it will not only isolate Europe from all international space commercial activity, it will squelch any possibility that Europe will develop its own space industry.

The first draft of the law, first put forth in 2025, was routinely blasted by American officials, by think tanks in and out of Europe, and by industry representatives. It imposed byzantine regulations on Europe’s space industry while also demanding that non-European companies be required to follow these rules as well, national sovereignty be damned.

The newly released draft does the same, but now does so in a manner that is somewhat vague and unclear.

That lack of clarity includes what is required to comply with the regulations. “There are a lot of things where it says you need to do X. What counts as X? Who knows,” said Gabriel Swiney, director of the Office of Space Commerce’s policy, advocacy and international division. “It will probably be determined at some point by some European committee or standards body.”

“Without regulatory clarity with what the regulatory picture should be, it’s really going to have a stifling effect on what industry is striving to do,” said Janna Lewis, senior vice president of policy and general counsel for Astroscale U.S.

The first draft was delayed and apparently rejected because the member nations of the EU opposed it. It appears this new version, having done nothing to ease their concerns, might already be on its way to the dead letter office.

We shall see. If there is anything dear to the hearts of the EU bureaucrats in Brussels, it is imposing insane regulations on others. It appears those bureaucrats haven’t given up — despite opposition by numerous European governments — and are working hard to win that right in space.

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Final ground testing begins of Katalyst’s Swift rescue spacecraft

5:46 am

Katalyst's proposed Swift rescue mission
Katalyst’s proposed Swift rescue mission.
Click for original image.

Only seven months after NASA awarded the satellite repair startup Katalyst the contract to save the Gehrels-Swift space telescope, the company has delivered the completed LINK spacecraft to the Goddard Space Flight Center in Maryland for final ground testing.

Katalyst will move forward with LINK’s vibration and thermal tests using NASA Goddard’s in-house facilities in the coming weeks before installation into Northrop Grumman’s Pegasus rocket at the agency’s Wallops Flight Facility in Virginia.

Gehrels-Swift has been one of NASA’s most productive space telescopes. Unfortunately its orbit is decaying and if nothing is done to raise that orbit it will burn up in the atmosphere in 2029 or so. To extend this timeline engineers have stopped almost all science work in February.

Katalyst hopes to launch LINK as soon as later this year. It was able to get it built so quickly because it was already under construction as the company’s first demo of its repair technology. When NASA put out a bid for boosting Swift, the company shifted gears and reconfigured LINK for this mission.

If successfully, the achievement will be a major coup for this startup.

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Engineers shut down another instrument on Voyager-1

5:31 am

The Voyager missions
The routes the Voyager spacecraft have
taken since launch. Not to scale.

Due to the continuing and expected decline in power, engineers have now shut down another instrument on Voyager-1 in the hope of keeping the spacecraft operating for just a few more years.

On April 17, engineers at NASA’s Jet Propulsion Laboratory (JPL) in Southern California sent commands to shut down an instrument aboard Voyager 1 called the Low-energy Charged Particles experiment, or LECP. The nuclear-powered spacecraft is running low on power, and turning off the LECP is considered the best way to keep humanity’s first interstellar explorer going.

The LECP has been operating almost without interruption since Voyager 1 launched in 1977 — almost 49 years. It measures low-energy charged particles, including ions, electrons, and cosmic rays originating from our solar system and galaxy.

…The choice of which instrument to turn off next wasn’t made in the heat of the moment. Years ago, the Voyager science and engineering teams sat down together and agreed on the order in which they would shut off parts of the spacecraft while ensuring the mission can continue to conduct its unique science. Of the 10 identical sets of instruments that each spacecraft carries, seven have been shut off so far. For Voyager 1, the LECP was next on that list. The team shut off the LECP on Voyager 2 in March 2025.

Both spacecraft now have only three operating science instruments. Engineers hope a major reboot on both spacecraft planned later this year might make each operate more efficiently, allowing both to survive maybe until 2030. At a minimum the hope is to make them last until 2027, which would the fiftieth anniversary of their launch.

The bottom line remains: the nuclear power source on board both is running down. The goal now is less gathering science data and more engineering: How long can we keep these spacecraft alive, at the very outskirts of our solar system?

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April 17, 2026 Quick space links

2:59 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.

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The space agencies of Canada and Europe agree to exchange classified information

1:51 pm

Canada:
Canada: “We let our government do it all!”

In what appears to be the increasing policy of the Canadian Liberal government to align its space program with Europe, the Canadian Space Agency this week signed an agreement with the European Space Agency that will make it possible for them to freely exchange classified information.

The European Space Agency (ESA) and Canada have signed a General Security of Information Agreement (GSOIA), which will establish a legally binding framework for the exchange of classified information. The agreement was signed on 14 April at the 41st Space Symposium in Colorado Springs, USA, by ESA Director General Josef Aschbacher and President of the Canadian Space Agency Lisa Campbell, on behalf of the Government of Canada.

The GSOIA will ensure that both parties uphold the highest standards of security while enabling the secure exchange of sensitive information entrusted to authorised institutions and industrial partners. It provides a robust foundation for cooperation in areas where the protection of classified information is essential. In particular, the agreement will facilitate closer collaboration in strategic domains such as space-based surveillance, disaster response and security-related technologies. It will also support the development of dual-use capabilities, including advanced sensing systems, secure communications and emerging space technologies.

Canada is the only country not in Europe that is a partner in ESA. This deal, plus Canada’s recent commitment to provide a half billion dollars of funding to ESA projects, illustrates the Liberal government’s policy to look to Europe more for its space effort, rather than the United States.

This appears also to be part of the Liberal government’s shift away from capitalism and towards a government-based space effort, a decision that is certain to produce few results while wasting a lot of money.

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The space station startups: NASA’s new space station plan is mistaken

9:01 am

The American space stations under development

At a conference event this week officials from three of the five American space station startups expressed strong disagreement with NASA’s new space station plan.

The new plan would have NASA build and launch its own new core module, dock it with ISS, and have the new stations attach their first modules to it prior to flying freely. NASA proposed this plan because it does not believe there is enough market to sustain the stations independently and NASA doesn’t have the budget to fully fund them.

The officials repeatedly disagreed about the market issue.

“We believe not only we can be ready by 2030” when the International Space Station is slated to be retired, “but we also believe that we can be profitable on the current market, not waiting for the future market we all will develop and will be successful at,” said Max Haot, CEO of Vast [building the Haven-1 and Haven-2 stations].

…Haot and executives from Axiom Space and Starlab Space said their responses to NASA’s request for information — which were due April 8 — show otherwise. “We put in 390 pages of independent analysis, research studies, datas, contracts, those types of things,” said Marshall Smith, CEO of Starlab Space, which is targeting 2029 for its station to be on orbit. “We’re being very clear and what we can do and how that works.”

One prominent revenue stream the panelists pointed to is other space agencies and nations eager to send their astronauts and payloads to space. “We’ve flown 12 people to space that paid us money to do that,” said Jonathan Cirtain, CEO of Axiom Space, referring to the four private astronaut missions it’s conducted to ISS. “We’ve flown 166 payloads today. All of those are paying payloads that generate revenue for the company.” The Texas company plans to begin operating in 2028 when its first two station modules are slated to be in orbit, then gradually grow the station to five modules.

The officials also said the core module idea would actually slow things down. NASA would have to first build and launch it, and would be starting from scratch to do so. It takes years to build such a thing, and it will certainly not be ready by 2030, when ISS is presently supposed to be retired. Moreover, forcing them to dock to this module would force them all to completely change their own plans, something they all find counter-productive.

In announcing NASA’s core module plan, NASA administrator Jared Isaacman also stated that he was open to industry feedback. I suspect that his core module proposal is going to die, and be replaced with the more direct transition from ISS to these private stations, the approach these companies favor.

I should add that the three startups that spoke up at this conference are also the three that are in the lead to build their stations, according to my rankings below. As far as I can tell, they are all tied for first place, with their station development very robust and well financed.
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