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The plan for SpaceX’s first demo in-orbit refueling mission of Starship

10:23 am

Link here The details come from a presentation at a public meeting by Amit Kshatriya, Deputy Associate Administrator of NASA’s Moon to Mars program, with this the key takeaway:

Kshatriya then expanded the discussion beyond the next few Starship flights and talked about the required technologies for a fuel depot in orbit and the in-orbit capabilities needed to transfer fuel. “We need an instance of the ship that is essentially long, has the endurance to stay in orbit long enough for the sequence to work.

“So, we need a ship that has at least three to four weeks of endurance in orbit. That endurance is gained through augmented power system capability, augmented battery capacity, full insulation of the cryogenic systems, vacuum jacketing of all the lines, et cetera, to make sure that the cryogens that are being stored or are meant to be stored don’t boil off.”

The challenges of a cryogenic ship in orbit include the need to prevent boil-off from the stack. To facilitate the journey to the Moon’s surface, Starship will have to be refueled. For this, the company plans to refuel a depot in low-Earth orbit (LEO), which would be resupplied by several tanker Starships. The HLS Starship would then dock with this depot before departing for the Moon.

To prove this system will require a Starship test flight that lasts several weeks in orbit, to prove the capability needed for a lunar mission. It will also require a refueling mission that will require several Starship/Superheavy launches, one to put the fuel depot into orbit, several more to fuel that depot, and a final launch of Starship for its refueling and endurance test.

According to the update, SpaceX is still aiming to be ready of the upcoming fourth Superheavy/Starship demo orbital flight in the first two weeks. The NASA official claimed it would occur no later than the end of May. I see that as a confirmation that NASA really doesn’t expect the FAA to issue a launch permit when SpaceX is ready, and that the permit might not arrive in time for a May launch. This statement is meant to soften the blow when the launch finally gets delayed into June, or later.

Whether the many required later Starship launches as described above can get FAA approval quick enough to prove out this system soon enough to meet NASA’s 2026 present target date for its manned lunar landing seems very unlikely. Moreover, even if it does it will be a major challenge for SpaceX to meet this schedule.

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Webb takes an infrared look at the mane of the Horsehead Nebula

10:01 am

Context images
Click for original image.

The mane of the Horsehead Nebula, seen in infrared
Click for original image.

The cool infrared image to the right, cropped, reduced, and sharpened to post here, was taken by the Webb Space Telescope and released today. The three pictures above provide the context, with the rectangle inside the rightmost image indicated the area covered by the close-up to the right.

Webb’s new images show part of the sky in the constellation Orion (The Hunter), in the western side of a dense region known as the Orion B molecular cloud. Rising from turbulent waves of dust and gas is the Horsehead Nebula, otherwise known as Barnard 33, which resides roughly 1,300 light-years away.

The nebula formed from a collapsing interstellar cloud of material, and glows because it is illuminated by a nearby hot star. The gas clouds surrounding the Horsehead have already dissipated, but the jutting pillar is made of thick clumps of material and therefore is harder to erode. Astronomers estimate that the Horsehead has about five million years left before it too disintegrates. Webb’s new view focuses on the illuminated edge of the top of the nebula’s distinctive dust and gas structure.

In the close-up, note the many distant tiny galaxies, both above the mane as well as glowing throught it.

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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

SpaceX launches 23 more Starlink satellites

3:17 pm

March on bunny! SpaceX today successfully launched another 23 Starlink satellites, its Falcon 9 rocket lifting off from Cape Canaveral.

The first stage completed its thirteenth flight, landing on a drone ship in the Atlantic.

The leaders in the 2024 launch race:

44 SpaceX
17 China
6 Russia
5 Rocket Lab

American private enterprise now leads the rest of the world combined in successful launches 51 to 29, while SpaceX by itself still leads the rest of the world, including other American companies, 44 to 36.

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SpaceX launches two Galileo satellites, part of Europe’s GPS-type satellite constellation

7:50 pm

SpaceX today successfully launched two satellites of Europe’s Galileo GPS-type satellite constellation, the first of a two-launch contract awarded to SpaceX when the Soyuz rocket was no longer available because of Russia’s invasion of the Ukraine and Arianespace’s Ariane-6 rocket was not yet operational.

The first stage completed its 20th flight, tying the record set by another booster only a few weeks ago. Because of the high orbit required by both satellites, that stage was not recovered, the first time SpaceX has expended a first stage since November 2022. SpaceX however also announced that the company is now working to upgrade its Falcon 9 first stages and fairings to fly as many as 40 missions. The two fairings also completed their fourth flight, which brought the total of fairings SpaceX has recovered to 200.

The leaders in the 2024 launch race:

43 SpaceX
17 China
6 Russia
5 Rocket Lab

American private enterprise now leads the rest of the world combined in successful launches 50 to 29, while SpaceX by itself still leads the rest of the world, including other American companies, 43 to 36.

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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.

ESA shuffles the management and structure of its ClearSpace-1 space junk removal mission

12:59 pm

The European Space Agency (ESA) this week did a major shake-up in the management and structure of its ClearSpace-1 space junk removal mission that had previously been awarded to the Swiss orbital tug startup Clearspace.

Moving forward OHB SE will take over the responsibility of leading the ClearSpace-1 consortium. The Bremen-based company will provide the satellite bus and will be in charge of system integration and launch. ClearSpace will be responsible for the close proximity and capture operations once the vehicle is in orbit.

In addition to the change in leadership, the mission’s target has also been adjusted, with ClearSpace-1 now expected to rendezvous and capture PROBA-1. The 94-kilogram ESA technology demonstrator was launched aboard an ISRO PSLV rocket in October 2001.

The original target, a payload adaptor from a 2013 Vega launch, had been hit by another piece of junk, damaging it and making it a much more difficult target to grab, using the four grapple arms of the Clearspace spacecraft. No timeline for when this revised mission will fly was announced.

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A molecule found by Rosetta on Comet 67P/C-G proves discovering life on exoplanets will not be easy

12:50 pm

The uncertainty of science: Scientists have long assumed that the molecule dimethyl sulfide (DMS) is an excellent biosignature of life, since it is only produced by life here on Earth. When they discovered it in the atmosphere of an exoplanet last year many thought, especially in the media, that it proved that life existed on that exoplanet.

A scientist who had worked on the Rosetta mission to the Comet 67P/C-G thought otherwise, that DMS was not a reliable biosignature and quickly proved it.

Just 1 day of data from Rosetta’s mass spectrometer, an instrument that can identify molecules by their specific weights, was enough for [Nora Hänni] and her colleagues to find DMS. She says lab experiments will now be needed to pin down exactly how DMS forms in space, where ultraviolet light and cosmic rays can power the synthesis of complex organic molecules. Another important question is whether comets could deliver significant amounts of DMS to a planet—and perhaps account for detections like the K2-18b claim. “If it impacted the atmosphere, it could contaminate the atmosphere of the planet,” Noack says, potentially complicating searches for alien life.

Like the fake news in 2020 that life was found in the atmosphere of Venus (it wasn’t), it is a big mistake to use the detection of one molecule to assume it is evidence of life on an alien world. The universe is far more complicated.

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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

Good news: The nature of the riots this election year suggest the leftist rioters are losing steam

3:44 pm

Don't tread on me!

Amid the illegal protests by pro-Hamas anti-Semitic new Nazis on college campuses, a wider looks suggests some encouraging trends, though hard to spot amid the chaos promoted by these genocidal rioters, most of whom are students but led it appears by many outside agitators.

There is no question these college rioters are causing havoc as they spread fear and hatred on numerous college campuses, including Columbia, Harvard, MIT, Princeton, NYU, Cal Poly Humboldt, USC, and UT-Austin, to name jsut a few.

In every case the protesters arrived with tents and a definitive plan to illegally occupy part of the campus, using almost identical tactics of the Occupy Wall Street crowd in 2011. Very clearly they wanted to establish themselves in a prominent position on each campus, where they could daily interfere with campus life while harassing anyone they saw as either Jewish or a potential enemy. Their tactics also mimicked the actions of the 2020 BLM and Antifa rioters, not only acting to keep out Jewish students from campuses, but working together violently to exclude anyone they wanted excluded. Reporters were routinely blocked with banners, umbrellas, and their bodies. In at least one case these terrorists even attacked one reporter, stabbing her in the eye with the pole of a Palestinian flag.

There is also no question that these riots have the same ulterior motives that existed in 2020, to disrupt the upcoming November election so that the Democrats could win. Many of the 2020 riots were specifically aimed at Trump election rallies, often causing their cancellation. The riots also provided Democratic Party officials in many key swing states reasons to justify the arbitrary changing of election laws — done also in conjuntion with the COVID panic — to allow the illegal use of very insecure ballot measures, such as unsupervised drop boxes and the misuse of mail-in ballots.

The differences today from 2020 and 2011 however are quite significant, and suggest these violent tactics are no longer working, that the country is beginning to push back hard against such insurrectionist behavior.

The pushback
» Read more

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Martian dunes with frost and a sublimating dry ice mantle

2:21 pm

Martian dunes surrounded by frost
Click for original image.

Cool image time! The picture to the right, cropped to post here, was taken on March 16, 2024 by the high resolution camera of Mars Reconnaissance Orbiter (MRO). It was released today as a captioned picture from MRO’s camera team. As noted in the caption, written by the camera’s principal investigator Alfred McEwen:

This image shows a field a sand dunes in the Martian springtime while the seasonal carbon dioxide frost is sublimating into the air. This sublimation process is not at all uniform, instead creating a pattern of dark spots.

In addition, the inter-dune areas are also striking, with bright frost persisting in the troughs of polygons. Our enhanced-color cutout is centered on a brownish-colored inter-dune area.

Each winter the carbon dioxide in the Martian atmosphere falls as snow, mantling the surface in the latitudes above 60 degrees with a clear coat of dry ice. When spring arrives the sunlight passes through the mantle to heat the ground below, which in turn causes the base of the dry ice mantle to sublimate into gas. When the pressure builds enough, the gas breaks through the mantle at its weak points, spewing out and bringing with it dust from below, which stains the mantle with the dark spots.
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Scientists: computer modeling suggests one lunar crater is the origin of a nearby asteroid

11:02 am

The uncertainty of science: Using computer modeling some scientists now suggest that the nearby asteroid 2016 HO3, also known as Kamo’oalewa, that has a solar orbit that periodically flips around the Earth, came from an impact a million years ago that created the Giordano Bruno crater on the moon’s far side.

According to the simulations, it would have required an impactor of at least 1 kilometer (0.6 mile) in diameter to launch a large fragment like Kamo’oalewa beyond the moon’s gravitational pull. According to the group’s model, the impact would have dug up Kamo’oalewa from deep beneath the moon’s surface, leaving behind an impact crater larger than 10 to 20 kilometers (6-12 miles) in diameter. Additionally, the crater would have to be younger than the average lifetime for near-Earth objects, which spans about 10 million to 100 million years, a very short and recent period in the history of the solar system.

While the lunar surface is riddled with thousands of craters from impacts spanning the moon’s 4.5 billion year-history, only Giordano Bruno with its 14-mile diameter and estimated 4 million years of age fits the bill in terms of size and age, making it the most probable source of Kamo’oalewa’s origin. The team also showed that this scenario is feasible from an impact dynamics perspective.

To say that this conclusion is uncertain is an understatement of monumental proportions. However, the possibility is real. A Chinese asteroid mission, dubbed Tianwen-2, will likely found out, as it is planning to bring samples back from this asteroid by 2027.

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France’s space agency puts out calls for rocket companies to lease the French Guiana launchpad formerly used by Russia’s Soyuz rocket

10:51 am

Capitalism in space: France’s space agency CNES has now issued a request for commercial rocket companies to bid on leasing the launchpad formerly used by Russia to launch its Soyuz rocket from French Guiana.

The launchpad became available after the European Space Agency (ESA) broke off its partnerships with Russia in February 2022.

Following the cessation of Soyuz launches, it was agreed that ESA would transfer ownership of the site back to CNES under the provision that it would host two new launch systems. The first will be selected by CNES as part of its recently published call. The second will be selected by ESA as part of the agency’s launcher challenge, which was publically announced in late 2023.

According to the CNES call, prospective candidate vehicles will be required to be capable of deploying payloads of at least 1.5 tonnes into low Earth orbit. Additionally, a maiden flight from the launch site will need to be completed no later than 2027. This will drastically limit the potential bidders.

The article at the link lists three potential bidders, Rocket Factory Augsburg, Maiaspace, and Avio. The first two are rocket startups, having not yet launched a rocket. Avio is the lead contractor for Arianespace’s Vega family of rockets, so it already has experience with an operational rocket, though that rocket is presently grounded due to recent launch failures.

There are a number of other rocket startups in Europe, including PLD in Spain and Hyimpulse and Isar in Germany. The incentive to bid for this launchpad might encourage them to upgrade their rocket to meet the bidding requirements.

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Astroscale releases image of abandoned upper stage taken by its ADRAS-J orbital tug during rendezvous operations

10:37 am

abandoned upper stage, taken by ADRAS-J
Click for original image.

Capitalism in space: The Japanese orbital tug startup Astroscale today released an image its ADRAS-J spacecraft took of an abandoned rocket upper stage during rendezvous operations.

That image is to the right, cropped to post here. ADRAS-J’s mission is to test autonomous rendezvous and close proximity operations as well as obtain images of the stage in order to prepare for a second mission that will grab the abandoned stage with a robot arm and de-orbit it.

Both missions have been funded by Japan’s space agency JAXA. The mission however is unprecedented by that agency, in that it did not design the mission, but instead hired this private startup to do it, signaling that agency’s shift from being the designer, builder, and owner of such projects to becoming simply a customer. If successful, the mission will be the first to capture a very large piece of space junk and remove from orbit.

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NASA: first launch of New Glenn is targeting a September 29, 2024 launch date

10:23 am

According to a presentation given by a NASA official at a conference in London yesterday, the first launch of Blue Origin’s New Glenn rocket is now targeting a September 29, 2024 launch.

In a presentation at a meeting of a planetary protection committee of the Committee on Space Research (COSPAR) in London April 24, Nick Benardini, NASA’s planetary protection officer, listed a Sept. 29 date for the launch of Escape and Plasma Acceleration and Dynamics Explorers (ESCAPADE) mission, a pair of smallsats that will go into orbit around Mars to measure the interaction of the planet’s magnetosphere with the solar wind.

NASA selected Blue Origin’s New Glenn rocket to launch ESCAPADE, awarding the company a $20 million task order through the agency’s Venture-Class Acquisition of Dedicated and Rideshare contract in February 2023 for the mission. The award at the time mentioned only a late 2024 launch, with the expectation that ESCAPADE would be on one of the first, if not the first, flight of the rocket.

Benardini mentioned ESCAPADE in his COSPAR presentation to discuss how the mission was complying with planetary protection requirements, intended to prevent any contamination of Mars, during the assembly of the spacecraft and launch preparations at Cape Canaveral. “They’re slated to be launching Sept. 29 with Blue Origin,” he said.

This is the first time any source at NASA or Blue Origin has revealed a specific launch date. The rocket was originally supposed to fly its first orbital test flight four years ago, but numerous delays, mostly related to the BE-4 engine used by the rocket’s first stage as well as decisions by the company’s former CEO, Bob Smith, to slow all development, pushed that launch back repeatedly. With Smith leaving late last year, the company has suddenly come back to life, with many indications that it was pushing for a launch this year.

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Hubble in safe mode

10:15 am

Barred galaxy
Click for original image.

The Hubble Space Telescope has gone into safe mode, pausing science observations on April 23, 2024 when its computer detected problems with one of its three working gyroscopes.

This particular gyro caused Hubble to enter safe mode in November after returning similar faulty readings. The team is currently working to identify potential solutions. If necessary, the spacecraft can be re-configured to operate with only one gyro, with the other remaining gyro placed in reserve . The spacecraft had six new gyros installed during the fifth and final space shuttle servicing mission in 2009. To date, three of those gyros remain operational, including the gyro currently experiencing fluctuations. Hubble uses three gyros to maximize efficiency, but could continue to make science observations with only one gyro if required.

If they cannot recover that gyro and are forced to resume science operations in one-gyro mode, it will mean the end of sharp images such as the one to the right, released today of the barred galaxy NGC 2217, located about 65 million light years away. Three gyros stablize the telescope in all three dimensions. One gyro can stablize it, but not in all three dimensions. Sharpness will suffer. We will no longer have a fully capable general purpose optical telescope in orbit, no plans in the U.S. to replace it.

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China launches three astronauts to its space station

4:23 pm

Earlier today China successfully launched a three-person crew to its Tiangong-3 space station, its Long March 2F rocket lifting off from its Jiuquan spaceport in the northwest of China.

No word on where the four strap-on boosters, the payload fairing, the core stages, and the upper stage crashed inside China, using very toxic hypergolic fuels. This new crew will replace the present crew, who are completing a six-month tour. The new crew will complete a similar-length mission.

The leaders in the 2024 launch race:

42 SpaceX
17 China
6 Russia
5 Rocket Lab

American private enterprise still leads the rest of the world combined in successful launches 49 to 29, while SpaceX by itself still leads the rest of the world, including other American companies, 42 to 36.

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These are the idiots WE have put in power

2:16 pm

Bill Nelson exhibiting his ignorance to Congress
Bill Nelson exhibiting his ignorance to Congress

On April 17, 2024 Bill Nelson, former Democratic Party senator and now NASA’s administrator, testified at a budget hearing in the House of Representives about the proposed 2025 NASA budget proposed by the Biden administration.

Such testimony is routinely boring and tells us nothing, which is why I no longer waste much time listening to it.

Other do, however, and as a result we all find out about moments of stupidity such as this one, spouted by Nelson:

“What do you think the Chinese are trying to get at, at the back side of the moon?” Rep. David Trone (D-MD) asked Nelson at a congressional hearing last week.

“They are going to have a lander on the far side of the moon, which is the side which is always in dark. Uh, we’re not planning to go there,” he said.

Trone followed up by asking, “And why not? What’s the benefit of doing so?”

“We don’t know what’s on the back side of the moon, so, uh, that would be something that they would discover,” the NASA administrator told lawmakers on Capitol Hill. “But our decision is that it’s more profitable for us to go to the South Pole of the moon because that’s where we think the water is,” he added.

First, Nelson exhibits the same kind of utter ignorance about basic space science as did congresswoman Sheila Jackson Lee (D-Texas) when she proclaimed on April 8, 2024 that the Moon “was made up mostly of gases.” Nelson says the “dark side” is always dark, when it is well known for many centuries that the back side of the Moon is sometimes referred to as the “dark side” not because it is dark, but because it is never visible to us on Earth, and until the space age no one knew what was there.

Furthermore, since the 1960s however we have known what is there, even if Nelson is an ignoramus about these basic facts. Landing there to research it up close and in detail is a entirely laudable science goal, something American scientists have wanted to do for decades. China is simply doing it.

Finally, China is also targeting the south pole for its lunar base, something Nelson seems utterly unaware, an ignorance that is shocking considering their lunar base goals are potentially in direct conflict with our lunar base goals.

You would think the administrator of NASA would know these basic facts.
» Read more

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Numerous layers in the interior slopes of Argyre Basin on Mars

12:28 pm

Numerous layers on Mars
Click for original image.

The cool image to the right, cropped, reduced, and enhanced to post here, was taken on February 22, 2024 by the high resolution camera on Mars Reconnaissance Orbiter (MRO). It gives us another example the many-layered geological history of Mars, seen in numerous locations across the entire Martian surface.

This example shows many thin layers, going downhill about 450 feet from the mesa near the bottom of the picture to the low point near the picture’s top. At this resolution there appear to be roughly two dozen prominent layers in that descent, but a closer look suggests many more layers within those large layers. Like the terrain that Curiosity is traversing on Mount Sharp, the closer one gets the more layers one sees. And each layer signifies a different geological event, possibly even marking the annual seasons, each either adding or removing a layer of dust or ice, or placing down a new layer of lava.
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China reveals its rough plans for building its manned moon base.

9:35 am

At a conference in China this week, the chief designer of China’s lunar exploration program, Wu Weiren, outlined roughly the plans for building China’s International Lunar Research Station (ILRS) on the Moon.

According to Wu, the first phase of the ILRS construction project will see a basic station built by 2035 in the lunar south pole region. This basic station will have comprehensive scientific facilities with complete basic functions and supporting elements to carry out regular scientific experiments, and develop and utilize resources on a limited scale.

The second phase will see expansion of the station, set for completion by 2045, with a moon-orbiting space station as the hub and facilities featuring complete functions, considerable scale and stable operation. It will carry out comprehensive lunar-based scientific research and resource development and utilization, and conduct technical verification as well as scientific experiments and research for a manned landing on Mars.

This schedule contradicts other recent government statements that suggested the first phrase would be completed by 2030. Either way, we now have a rough timeline which, based on China’s past announcements, should be a reasonably accurate measure of what it now plans to do.

The timeline however is very long, and many other events outside of this program, such as war with Taiwan or sudden changes in the leadership of the ruling communist party, could change it drastically.

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Russia vetos UN resolution put forth by U.S to ban nuclear weapons in space

9:27 am

Russia yesterday vetoed a UN resolution by the U.S and Japan that proposed banning all nuclear weapons as well as “other weapons of mass destruction” in space.

This is all a game by the diplomats and politicians in power on both sides.

U.S. National Security Advisor Jake Sullivan on Wednesday echoed [U.S. ambassador] Thomas-Greenfield, reiterating that “the United States assesses that Russia is developing a new satellite carrying a nuclear device.” If Putin has no intention of deploying nuclear weapons in space, Sullivan said, “Russia would not have vetoed this resolution.”

Russia’s U.N. Ambassador Vassily Nebenzia dismissed the resolution as “absolutely absurd and politicized,” and said it didn’t go far enough in banning all types of weapons in space. Russia and China proposed an amendment to the U.S.-Japan draft that would call on all countries, especially those with major space capabilities, “to prevent for all time the placement of weapons in outer space, and the threat of use of force in outer spaces.”

The vote was 7 countries in favor, 7 against, and one abstention and the amendment was defeated because it failed to get the minimum 9 “yes” votes required for adoption.

So Russia vetos the U.S. resolution, and the U.S. and its allies veto the Russian resolution. In both cases neither side intends to stop work on its space weaponry, nor will either allow any independent inspections of their facilities. Moreover, both resolutions are irrelevant, because these nations are all signatories to the 1967 Outer Space Treaty, which already outlaws the placement of nuclear weapons in space.

As I said, it is all a game, intended not to stop deployment of such weapons but to try to embarrass their opponents.

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UK’s CAA gives Saxavord on Shetland Islands its range license

9:15 am

Proposed spaceports surrounding Norwegian Sea
Proposed spaceports surrounding Norwegian Sea.

The Civil Aviation Authority (CAA) has now issued the range license for the Saxavord spaceport on the Shetland Islands, following up issuing it a spaceport license in December.

A range licence is a legal requirement ahead of a space launch, but is not in itself permission to launch. This licence grants the broad approval to provide ‘range control services.’ Specifics will depend on the launch vehicle and will be outlined as part of relevant launch licences.

Work by the Civil Aviation Authority continues in assessing potential launch operators from SaxaVord.

Sounds good, eh? Not so fast. It took the CAA about two years to issue these two spaceport licenses, but that doesn’t give anyone the right to launch from Saxavord. The CAA must still issue launch licenses to the specific rocket companies wishing to launch. Though the German rocket startup Rocket Factory Augsburg wants to do the first orbital test flight this year from Saxavord, it still must get that launch license. Do not be surprised if it takes the CAA more than a year to issue it.

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China releases new geological atlas of the Moon

9:03 am

China's geologic map of the Moon

The map above is one low resolution example of a new detailed geological atlas that Chinese scientists have created and just released, using data obtained from all of China’s recent lunar missions, both orbiters and landers.

More information here.

The Chinese Academy of Sciences (CAS) has released the highest-resolution geological maps of the Moon yet. The Geologic Atlas of the Lunar Globe, which took more than 100 researchers over a decade to compile, reveals a total of 12,341 craters, 81 basins and 17 rock types, along with other basic geological information about the lunar surface. The maps were made at the unprecedented scale of 1:2,500,000.

…The CAS also released a book called Map Quadrangles of the Geologic Atlas of the Moon, comprising 30 sector diagrams which together form a visualization of the whole Moon.

The map has been released in both Chinese and English.

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First and second stages of first Ariane-6 rocket are now assembled and on the launchpad

8:48 am

Having integrated together the core first stage and the upper stage of the first Ariane-6 rocket, engineers have now lifted both vertical on the launch pad in preparation for its launch sometime in June or July.

Next two strap-on boosters will be attached to the core stage, as well as the payloads made up of eighteen different smallsats and experiments, including two test re-entry capsules testing their ability to bring payloads safely back to Earth.

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Astroscale wins contract to complete removal of large piece of space junk

8:39 am

Capitalism in space: Japan’s space agency JAXA has now awarded the orbital tug startup Astroscale a contract to complete the removal of an abandoned upper stage from a previously launched rocket.

Astroscale has already flown the first phase of this project, with its ADRAS-J tug flying in March and April a demo rendezvous mission with the rocket stage, getting to within several hundred meters of the stage. The second phase, now approved, will grab the stage with a robot arm and then de-orbit it. No date for the launch of that second phase was announced.

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Flat tadpole depression in ancient Martian crater

12:32 pm

Flat tadpole depression in ancient Martian crater
Click for original image.

Cool image time! The picture to the right, rotated, cropped, reducedl, and enhanced to post here, was taken on February 24, 2024 by the high resolution camera on Mars Reconnaissance Orbiter (MRO). Dubbed a “terrain sample” by the camera team, it was likely taken not as part of any specific research project but to fill a gap in the camera’s schedule so as to maintain that camera’s proper temperature. When they have to do this, they try to pick interesting targets, though there is no guarantee the result will be very interesting.

In this case the camera team already knew this location would have intriguing geology, based on an earlier terrain sample taken a year ago only eight miles to the south. The landscape here is a flat plateaus surrounding flat depressions, some of which appear connected by drainage channels. Today’s picture shows one flat depression with a short tail-like channel flowing into it.

Note the pockmarked surface. The many holes could be impact craters, but they also could be holes caused when the near-surface ice at this location sublimated into gas and bubbled upward to escape. Now all we see is dry bedrock, the flat ground riddled with holes.
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Movies of two supernovae remnants produced from two decades of Chandra X-ray images

9:51 am

Using more than two decades of data from the Chandra X-ray Observatory, scientists have created two movies of the supernovae remnants the Crab nebula and Cassiopeia A.

I have embedded those movies below. From the press release:

Over 22 years, Chandra has taken many observations of the Crab Nebula. With this long runtime, astronomers see clear changes in both the ring and the jets in the new movie. Previous Chandra movies showed images taken from much shorter time periods — a 5-month period between 2000 and 2001 and over 7 months between 2010 and 2011 for another. The longer timeframe highlights mesmerizing fluctuations, including whip-like variations in the X-ray jet that are only seen in this much longer movie. A new set of Chandra observations will be conducted later this year to follow changes in the jet since the last Chandra data was obtained in early 2022.

…Cassiopeia A (Cas A for short) is the remains of a supernova that is estimated to have exploded about 340 years ago in Earth’s sky. While other Chandra movies of Cas A have previously been released, including one with data extending from 2000 to 2013, this new movie is substantially longer featuring data from 2000 through to 2019.

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Several new missions to the asteroid Apophis proposed by commercial and governments

9:39 am

Apophis' path past the Earth in 2029
A cartoon showing Apophis’s path in 2029

At a conference this week several new missions to the asteroid Apophis during its close Earth fly-by in 2029 were proposed by both private companies and government entities.

  • Blue Origin is considering sending its Blue Ring orbital tug, launched in 2027 on a Falcon 9.
  • JPL proposes sending two cubesats on the orbital tug mission previously announced by the startup ExLabs.
  • NASA continues to study sending the two Janus spacecraft, since its original asteroid mission was lost when the Psyche asteroid mission was delayed.
  • The European Space Agency has two different missions under study.

With all of these missions, the big obstacle is funding. Most are either only partly funded, or not at all.

At the moment the only mission actually on its way to Apophis is OSIRIS-APEX, which having completed its sample return mission to Bennu was then sent to Apophis.

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