Tag: spaceflight

The breakup of a Martian glacier

11:48 am

The breakup of a Martian glacier
Click for original image.

Cool image time! The picture to the right, cropped and reduced to post here, was taken on January 29, 2023 by the high resolution camera on Mars Reconnaissance Orbiter (MRO). It shows what the scientists label a “contact” in the glacier country in the northern mid-latitudes of Mars.

The contact is clearly the region of breakup in the middle of the picture. To the right the surface is whole and very smooth. As we move to the left that surface begins to show cracks and holes until those holes and cracks eliminate that surface entirely, revealing a lower layer that is soft-looking and stippled.

In other words, this is the edge of a glacier, and is the place in which it is breaking up. Unlike Earth glaciers however this breakup process is entirely different.
» Read more

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Hakuto-R1 lands on Moon but ceases communications at touchdown

10:16 am

Lunar map showing Hakuto-R1's landing spot
Hakuto-R1’s planned landing site is in Atlas Crater.

According to the Hakuto-R1 engineering team, the lander provided full data and maintained communications right up until touchdown, but at that point they lost contact with the spacecraft.

The loss of data at landing suggests something went wrong at touchdown. That they were able to maintain contact until then, and the data appeared correct, suggests that the spacecraft descended properly into Atlas Crater, but then touched down on some rough ground that either caused it to topple, or damaged it on contact.

This remains speculation however. We will have to wait for a full update from Ispace.

This was a engineering mission to test the company’s spacecraft design and its ability to operate a lunar mission. The failure at landing means it achieved about 8 to 9 of its 10 milestones. How this final failure will effect its next mission as well as its contract with NASA remains unclear.

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Review of InSight data allows scientists to further refine their model of Mars’ interior

10:04 am

Using archive data from the now defunct InSight Mars lander, especially two seismic detections that came from the planet’s far side, scientists now believe that Mars’ central core is significantly different than Earth’s, being entirely liquid and made up of much lighter materials than expected.

To determine these differences, the team tracked the progression of two distant seismic events on Mars, one caused by a marsquake and the other by a large impact, and detected waves that traveled through the planet’s core. By comparing the time it took those waves to travel through Mars compared to waves that stayed in the mantle, and combining this information with other seismic and geophysical measurements, the team estimated the density and compressibility of the material the waves traveled through. The researchers’ results indicated that Mars most likely has a completely liquid core, unlike Earth’s combination of a liquid outer core and solid inner core.

Additionally, the team inferred details about the core’s chemical composition, such as the surprisingly large amount of light elements (elements with low atomic numbers)—namely sulfur and oxygen—present in Mars’ innermost layer. The team’s findings suggested that a fifth of the core’s weight is made up of those elements. This high percentage differs sharply from the comparatively lesser weight proportion of light elements in Earth’s core, indicating that Mars’ core is far less dense and more compressible than Earth’s core, a difference that points to different conditions of formation for the two planets.

These differences, if confirmed, would certainly affect the way Mars’ surface evolved over the eons, and might help explain its giant volcanoes as well as the planet’s lack of a magnetic field.

The results however remain uncertain, because InSight provided only one seismometer on Mars. To better triangulate the data will require more than one, in the future.

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Astra confirms it is buying Ursa Major rocket engines for its Rocket-4 upper stage

9:55 am

Astra yesterday confirmed that it will be buying Ursa Major’s Hadley rocket engine for the upper stage of its Rocket-4, now tentatively scheduled for a first test launch later this year.

Astra has been tight-lipped about the new upper stage engine that would power its new Rocket 4, with CEO Chris Kemp only telling investors last year that the rocket’s substantially increased payload capacity was thanks in part to engine upgrades. Outsourcing the engine helps clarify how Astra was able to so quickly pivot its plans for Rocket 4, including doubling the launch vehicle’s payload capacity from 300 kilograms to 600 kilograms.

Ursa Major has already sold engines to several rocket companies and the government, including Phantom, Vector, Stratolaunch, and the Air Force. It is also building two different larger engines, Ripley and Arroway, with the latter aimed at replacing the engines Russia provided to ULA and Northrop Grumman.

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China once again outlines its lunar base plans; Russia out? Project delayed?

9:38 am

China/Russian Lunar base roadmap
The original Chinese-Russian lunar base plan, from June 2021.

In outlining today China’s long term plans for establishing a manned lunar base near the south pole of the Moon, the project’s chief designer, Wu Weiren, revealed several changes in the program, almost all of which were indicated by what he did not say than what he did.

The graph to the right was released when this program was first announced in June 2021. At that time the plan was announced as a partnership of China and Russia, and was aiming to begin intermittent manned operations on the Moon in 2036.

According to Wu’s presentation today however, China apparently no longer considers Russia to be a full equal partner. It appears instead that Russia was mentioned as part of Wu’s effort to encourage many other countries to join the project. As reported by China’s state-run press:

During Tuesday’s event, Wu also highlighted the cooperation initiative for countries, organizations, and scientists worldwide to join the construction of the research station. In 2021, the China National Space Administration (CNSA) released a partnership guideline for the International Lunar Research Station.

That the state-run press made no mention of Russia in this description indicates strongly China’s devaluation of Russia’s contribution. This devaluation is not a surprise. As I noted in 2021,

[B]ased on Russia’s recent track record in the past two decades for promised space projects, we have no guarantee they will fly as scheduled, or even fly at all.

Since then Russia invaded the Ukraine and has suffered economically because of it. Its own first contribution to this partnership, Luna-25, has been delayed repeatedly, with its present launch now scheduled for July. It was always obvious that Russia — in its present state — could not match China, nor was it likely it would meet its promised targets.

Wu’s presentation also indicated that the third phase, when intermittent manned operations will begin, has been delayed from 2036 to 2040.

Overall, however, the Chinese plan remains stable and rational, and is likely to be carried out with reasonable success, based on how the country proposed and then achieved construction of its space station. The station was built essentially as described by the plan, with only a delay of a few years.

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Watching live the landing of Hakuto-R1 on the Moon

8:54 am

I have embedded below the live stream of Hakuto-R1’s landing on the Moon, scheduled for today. The original landing time was targeting “approximately” 8:40 (Pacific), but it is now past that. That time might actually have indicated the start of the live stream. The lander is presently out of contact, on the far side of the Moon.

The landing is targeting the floor of Atlas Crater, located in the northeast quadrant of the visible hemisphere of the Moon.

» Read more

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Ingenuity snaps picture of Perseverance during its 51st flight on Mars

11:04 am

Ingenuity's view on 51st flight, April 22, 2023
Click for original image.

Overview map
Click for interactive map.

On April 22, 2023 the Mars helicopter Ingenuity completed its fifty-first flight on Mars, flying 617 feet west for about 136 seconds at an altitude of about 39 feet. As has been routine for the past dozen or so flights, all these numbers were slightly higher than the flight plan, probably because the helicopter took extra time to find a good landing spot.

The panorama above, cropped, reduced, and enhanced to post here, was taken by Ingenuity about halfway through the flight. Unlike the black and white images that the helicopter takes looking straight down, this color image looks at an oblique angle of 22 degrees below the horizon. The colors are not corrected. The view looks east, looking backwards into Belva Crater. You can see Perseverance on the left, with its tracks cutting across the frame. Belva is filled with ripple dunes.

The blue dot on the overview map to the right marks Perseverance’s present position. The green dot marks Ingenuity’s take-off point, with the green line indicating the approximate flight path.

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The climb into Gediz Vallis

10:21 am

Panorama on Sol 3808, April 24, 2023
Click for original image.

Overview map
Click for interactive map.

After three months traversing the geological layer that the scientists have dubbed the Marker Band, Curiosity has now climbed higher, passing what I dubbed the Hill of Pillows on the west so that it is now in a position to return to its planned route up Mount Sharp, as indicated by the red dotted line in the overview map to the right and the panorama above.

The panorama, cropped, reduced, and annotated to post here, was created on April 24, 2023 using 31 images from the rover’s right navigation camera. The yellow lines on the overview map indicate approximately the area covered, with the blue dot marking Curiosity’s present position.

For scale, the top of Kukenan is about 5,200 feet above Curiosity, while the top of Chenapua is only about 115 feet higher. The white flanks are about 3,200 feet above Kukenan, and are about 4 to 5 miles away.

Looking back, the rim of Gale Crater on the far left of the panorama is about 20 miles away.

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Al-Amal snaps first close-up images of Martian moon Deimos

9:10 am

Deimos with Mars in the background
Click for full movie.

During its first close fly-by of the Martian moon Deimos on March 10, 2023, the United Arab Emirates Mars orbiter Al-Amal (“Hope” in English) obtained the first close-up images of the moon.

The picture to the right show Deimos with Mars in the background. The full set of images, compiled into a movie, can be seen by clicking on the image.

The results were outlined by science lead Hessa Al Matroushi at a conference today.

During the 10 March fly-by, the mission team used all three onboard instruments to take readings spanning from the infrared to the extreme ultraviolet. The relatively flat spectrum the scientists saw is suggestive of the type of material seen on Mars’s surface, rather than the carbon-rich rock often found in asteroids, suggesting that Deimos was formed from the same material the planet. “If there were carbon or organics, we would see spikes in specific wavelengths,” she says.

These results probably put an end to the theory that Mars’ moons came from the asteroid belt. Instead, they either formed when the planet did, or were thrown free and settled into orbit after a very large impact, such as the ones that created either the Hellas or Argyre basins, both of which happened several billion years ago and thus provide ample time for the space environment to smooth the moon’s surface and add some craters.

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Update on lunar orbiter CAPSTONE

1:58 pm

Link here. The update comes from Advanced Space, the commercial company tasked by NASA with operating the orbiter, whose main goal its to test operations in the type of orbit around the Moon that NASA plans to put its Lunar Gateway space station, dubbed a Near Rectilinear Halo Orbit (NRHO).

Thus far, since performing the NRHO insertion maneuver on November 13th, 2022, the spacecraft has spent 154 days operating in the NRHO completing 23 NRHO revolutions. During this time, the mission team has maintained knowledge of the spacecraft state well within the mission requirements using ground-based navigation tools and tracking measurements collected by the Deep Space Network including DSS-17 which is an affiliated site at Morehead State University in Kentucky. This navigation information has continued to support the design and execution of required maneuvers to maintain the orbit.

Minimum maneuver size constraints have been sequentially reduced as the combined mission operations teams at Advanced Space, Terran Orbital, and Stellar Exploration continue to mitigate issues with a thruster valve. Since entering the NRHO the spacecraft has executed six Orbit Maintenance Maneuvers (OMM) using approximately 1.8 m/s of fuel. Although the mission plan was originally to do a maneuver every NRHO (approximately once a week), the higher burn threshold has reduced the number of maneuvers performed while also demonstrating the robustness of the stationkeeping strategy utilized by the mission which is the same strategy planned for the Lunar Gateway.

CAPSTONE’s primary mission ends in May, but it will continue on an extended mission for twelve more months.

Though CAPSTONE has provided NASA important orbital data for maintaining Lunar Gateway in lunar orbit, the orbiter’s biggest achievement is its commercial nature. NASA hired Terran Orbital to build it, Rocket Lab to launch it, and Advanced Space to operate it. There was relatively little government participation. Moreover, this privately-run project has demonstrated that an inexpensive smallsat can quickly accomplish the same things that once only big expensive satellites attempted.

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India’s PSLV rocket successfully launches two Singapore satellites

1:46 pm

India’s PSLV rocket today successfully put two Singapore satellites into orbit, one a radar satellite and the other a large cubesat testing smallsat communication technologies.

The leaders in the 2023 launch race:

25 SpaceX
16 China
6 Russia
3 Rocket Lab
3 India

American private enterprise still leads China 28 to 16 in the national rankings, and is tied at 28 with the entire world combined.

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Starship/Superheavy did not explode!

1:41 pm

Starship/Superheavy at T+4:02, just after the self-destruct command was issued
Starship/Superheavy at T+4:02, just after the self-destruct command
was issued

In the past twenty-four hours we have another wonderful demonstration of the utter bankruptcy of the American press in the manner in which it has decided to describe yesterday’s first test launch of Starship/Superheavy. Here are just a few headline examples:

Every single one of those headlines implies that the explosion was the launch’s failure. If you read the linked articles you find that many repeat that implication in their reports.

None are correct. » Read more

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The strange terrain in the basement of Mars

12:22 pm

Strange terrain inside Hellas Basin
Click for original image.

I’ve posted numerous cool images about the weird and alien terrain found routinely in what is Mars’ death valley, Hellas Basin. Today is no different. The picture to the right, rotated, cropped, reduced, and sharpened to post here, was taken on February 23, 2023 to fill a gap in the schedule of the high resolution camera on Mars Reconnaissance Orbiter (MRO). Thus, it isn’t linked to any particular research, and its target was chosen by the camera science team almost at random.

What it shows is a strangely striated plain interspersed with rounded mesas and partly buried craters. The shape of the striations suggests that they were formed from wind blowing consistently from the north. This hypothesis is reinforced by the material that seems piled up at the base of the two bottom mesas, as if it was blown there.

Is ice or lava however?
» Read more

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India’s Modi government releases its new space policy

10:10 am

After some hints in the past month that the not-yet-released new space policy of the Modi government of India would favor commercial space over the government agencies that have run India’s space program from inception, the newly released space policy [pdf] confirms those hints.

Essentially, the policy transfers power from India’s space agency ISRO — which has always controlled all Indian launches and space development — to other government agencies, which in turn are tasked not to develop new space projects but to “ensure a level playing field for the utilization of all facilities created using public expenditure, by prioritizing their use among Government entities and [private companies].”

The policy is unlike any government document I have ever read from India. It is short, direct, clearly written, and to the point. It clearly takes control of space from ISRO and gives supervisory control to two new agencies, the Indian National Space Promotion & Authorisation Centre (IN-SPACEe) and NewSpace India Limited (NSIL), both of which are tasked to encourage the development of an independent private commercial space industry.

The policy is of course not perfect, as the power of the government bureaucracy in India is deep and wide. ISRO still has the task of developing new space technologies, such as India’s human spaceflight program. Whether it will be required to slowly become a customer of commercial resources rather then being the builder of its own we shall have to wait and see. NSIL in turn has been given ISRO’s past commercial responsibilities — such as launching rockets for profit — so that that the government bureaucracy can still compete with the private sector for market share.

All in all, however, it appears that the Modi government wishes to mimic the changes that have occurred in the U.S., transitioning from a government-run space program to a privately owned space industry from which the government buys what it needs (as outlined in my 2017 policy paper Capitalism in Space).

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Scientists predict solar maximum to arrive one year early

9:39 am

The scientists whose prediction of a more active upcoming solar maximum that has so far turned out more accurate than the consensus prediction have now updated their prediction, lowering it somewhat but also predicting the maximum will occur one year early, in 2024 instead of 2025.

The team’s finalized forecast for the current cycle expects it to peak in late 2024, one year earlier than NASA and NOAA had predicted. The cycle, the team thinks, will reach about 185 monthly sunspots during its maximum and thus be somewhat milder than what the team originally forecasted. This peak intensity will place this cycle at about the average compared to the historical record.

In other words, now that we are about halfway to maximum, they have concluded that while NOAA’s prediction was too low, their prediction was too high. They have now adjusted their expectations to be closer to what they now think will happen.

A short solar cycle however has historically corresponded to much higher sunspot activity. If this new prediction is correct (a short cycle with a mild maximum), it will mean that the Sun is still behaving in ways that the solar science community does not understand, or can predict.

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A spray of small impacts melting Martian ice?

11:01 am

A spray of small impacts melting Martian ice?

Cool image time! The picture to the right, cropped and reduced to post here, was taken on March 2, 2023 by the high resolution camera on Mars Reconnaissance Orbiter (MRO), and was taken not as part of any specific research request but by the MRO science team to fill a gap in its schedule while also maintaining the camera’s temperature. Sometimes these somewhat random times show nothing of interest. Sometimes they are fascinating, as in this case.

The photo shows what appear to be a spray of small impacts on an easily melted surface. Imagine spraying hot molten lava on a sheet of ice. Instead of creating a crater with an upraised rim, on impact each droplet would quickly melt a hole.

Did these small impacts all occur at the same time? My guess is yes, based on the overview map below.
» Read more

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New research expands lethal zone around supernovae

9:58 am

According to data collected from a number of orbiting space X-ray telescopes, astronomers now believe that the lethal zone for nearby habitable planets when a supernova explodes is much larger than previously thought, as great as almost 200 light years.

The calculations in this latest study are based on X-ray observations of 31 supernovae and their aftermath mostly obtained from Chandra, NASA’s Swift and NuSTAR missions, and ESA’s (European Space Agency’s) XMM-Newton. The analysis of these observations shows that there can be lethal consequences from supernovae interacting with their surroundings, for planets located as much as about 160 light-years away. “If a torrent of X-rays sweeps over a nearby planet, the radiation would severely alter the planet’s atmospheric chemistry,” said Ian Brunton of the University of Illinois at Urbana-Champaign who led the study. “For an Earth-like planet, this process could wipe out a significant portion of ozone, which ultimately protects life from the dangerous ultraviolet radiation of its host star.”

You can read the paper here [pdf], which includes a figure that suggests in certain circumstances the lethal zone can be 200 light years across. As the scientists note:

Perhaps the most interesting results are the distances at which the X-ray emission can impose lethal effects on an Earth-like biosphere. This larger range of influence has consequences for the Galactic habitable zone, such as the harmful implications for recently discovered exoplanets that would be susceptible to nearby [supernovae].

In other words, this data suggests the galaxy is far less hospitable to the development of life. It takes a lot of time for life to evolve, billions of years, and during that time a solar system traveling through the galaxy has now a much higher chance of passing too close to a supernova explosion.

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ULA delays first launch of Vulcan to June at the earliest

8:11 am

Peregrine landing site

An official from Astrobotics confirmed this week that an explosion during testing of the Centaur upper stage of its new Vulcan rocket will delay that rocket’s first launch for at least one to two months, from May to June or July.

On March 29, Tory Bruno, the CEO of Colorado-based spacecraft makers United Launch Alliance LLC, announced on his personal Twitter account that ULA’s Vulcan Centaur V rocket had experienced “an anomaly,” which preceded a tweet he shared on April 13 that showed a video of an explosion that occurred outside of a testing rig that housed the ULA rocket. He alluded to a hydrogen-related leak as being a possible culprit and in response the next day to other replies, Bruno said in a tweet that “June/July” will be the next earliest estimated launch timeline.

That timeline is the same one that John Thornton, CEO of North Side-based Astrobotic, shared during a speech as part of a kickoff event for the Aviation and Robotics Summit in the Strip District on Tuesday.

The main payload on that Vulcan inaugural launch is Astrobotic’s Peregrine lunar lander, carrying several NASA science instruments to the Gruithusien Domes region on the Moon, as indicated by the white dot on the picture above.

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Rocket Lab to reuse previously flown engine on upcoming launch

7:59 am

Rocket Lab engineers, having tested a previously flown Rutherford engine numerous times after recovering it from a launch in May 2022, have now approved that engine for reflight, and are inserting into their Electron rocket assembly line for launch sometime in the third quarter of this year.

The company also revealed that it has now completely abandoned the use of a helicopter in first stage recovery, and will instead pick up all first stages after they have splashed down in the ocean.

Extensive analysis of returned stages shows that Electron withstands an ocean splashdown and engineers expect future complete stages to pass qualification and acceptance testing for re-flight with minimal refurbishment. As a result, Rocket Lab is moving forward with marine operations as the primary method of recovering Electron for re-flight. This is expected to take the number of Electron missions suitable for recovery from around 50% to between 60-70% of missions due to fewer weather constraints faced by marine recovery vs mid-air capture, while also reducing costs associated with helicopter operations.

Rocket Lab will assess the opportunities for flying a complete pre-flown first stage booster following the launch of the pre-flown Rutherford engine in the third quarter this year.

Rocket Lab is presently the only operational American company besides SpaceX that is aggressively pursuing reuse of its rocket. ULA says it wishes to recover and reuse the engines of its still-unflown Vulcan rocket, but development of this concept has been very slow. Many other new companies claim their rockets will be reusable, but none has yet even launched.

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North Korea claims it is about to launch a spy satellite

7:49 am

According to statements by North Korea’s dictator Kim Jong-un published in its state-run press, that country is only weeks away from launching a spy satellite into orbit.

[S]ome observers said the North may attempt to launch the satellite ahead of President Yoon Suk Yeol’s upcoming state visit to the U.S. later this month. “There is a high possibility that North Korea may attempt a launch around April 23-24, on the basis that weather conditions are favorable, to show off that it has the upper hand on the Korean Peninsula issue by putting it on the table during the South Korea-U.S. summit,” Yang Mu-jin, president of the University of North Korean Studies, said.

Some observers, however, projected that it will take a few more months for the North to put the satellite into orbit given the time needed for technical preparations.

North Korea has completed two previous orbital launches, using its solid-fueled rocket missile technology. It is presently unclear if this new launch will use the same, or fly something new.

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Ohio local authorities approves land sale for future private astronaut training facility

7:44 am

The local city council in Brook Park, Ohio, yesterday approved by a vote of 7-0 the purchase of nearly thirteen acres by the British company Blue Abyess to allow it to quickly build its proposed private astronaut training facility.

The Brook Park location will be built around a very large, 150-foot deep, multi-level pool. It’s an area that can replicate what life would be like in outer space and allow for the necessary training, dubbed astronaut boot camp for space exploration. “They’re not swimming pools. They’re aimed at industry, whether that’s marine offshore energy, maritime defense, subsea technology, human performance in extreme environments, or how do humans cope with green space environments,” Vickers said.

Officials say this project could be a huge economic driver, potentially bringing more than 100 jobs to the area.
In addition, it will likely generate major interest from tourists.

The facility will also include a hotel for those private astronauts, whether commercial or tourist. Located next to the Glenn Research Center, the company hopes to provide its services to both the public and NASA.

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Superheavy/Starship clears tower but fails at stage separation

7:06 am

Starship and Superheavy, having just cleared the tower
Starship and Superheavy, having just cleared the tower

In a spectacular first orbital launch attempt, SpaceX’s Superheavy and Starship successfully lifted off, clearing the tower and continuing through max-Q (maximum dynamic pressure). It then reached about 24 miles altitude when the rocket began to slowly spinn just prior to main engine cutoff and stage separation. At that point, because engine cutoff and separation had not occurred as planned, the engineering team used the flight termination system to destroy it so as to eliminate any risk to anyone on the ground.

As the announcers noted repeatedly, if the rocket simply cleared the tower they would consider this a magnificent success, considering that they had never fired Superheavy before in a real countdown. That Superheavy performed exactly as it should for almost its entire flight means SpaceX is that much closer to getting Starship into orbit than one would think at this stage of testing.
» Read more

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An ordinary person’s view of the Starship/Superheavy countdown

5:54 pm

Starship and Superheavy, stacked on the launchpad for launch

One of my readers, who wishes to go by is nickname Doubting Thomas on Behind the Black, went to Boca Chica earlier this week with the hope of seeing the live first orbital launch of Superheavy with Starship stacked on top. Unfortunately, the launch on April 17, 2023 was scrubbed, and he could not remain in Boca Chica for the now rescheduled launch early tomorrow morning on April 20th.

He sent me some pictures of that experience, however, which I post here with his permission. The best of course is the one to the right, of Starship stacked on Superheavy on the launchpad. This was taken before the roads were closed, and shows how incredibly close the general public can get to that launchpad simply by driving past on a public road.

The next few pictures give us a glimpse at the options people have for viewing future Boca Chica launches.
» Read more

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Jumbled floor of ancient Martian channel

12:19 pm

Jumbled floor of ancient Martian channel
Click for original image.

Cool image time! The picture to the right, rotated, cropped, reduced, and sharpened to post here, was taken on February 2, 2023 by the high resolution camera on Mars Reconnaissance Orbiter (MRO).

At first glance I thought I was looking at a variety of eroding glacial flows. I was completely wrong. This terrain is located on the floor of 900-mile-long Ares Vallis, thought to have been carved eons ago by some flow, either liquid catastrophic floods or glacial ice, but is now located in the very dry equatorial regions of Mars.

Then what caused these meandering ridges? The overview map below, plus the wider view of MRO’s context camera, provides us more data but little illumination. In fact, both leave us more questions and mysteries.
» Read more

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NASA’s Mars Sample Return project now overbudget

9:23 am

According to testimony by NASA’s administrator Bill Nelson to a Senate committee, its Mars Sample Return (MSR) project now needs a lot of additional funds in order to have any chance of staying on schedule.

Nelson told the Commerce-Justice-Science (CJS) subcommittee of the Senate Appropriations Committee today that he just learned two weeks ago during a visit to the Jet Propulsion Laboratory (JPL), which is building MSR, that they need an additional $250 million this year and an additional $250 million above the request for FY2024 to stay on schedule for launch in 2028.

That FY2024 request warns that the projections for future MSR funding requirements are likely to grow and force NASA to descope the mission or reduce funding for other science projects. NASA just set up a second [independent review board] to take another look at the program.

The project is already beginning to suck money from other science missions, such as solar and astronomy and the Dragonfly mission to Saturn’s moon Titan. In addition, its method for getting the samples back to Earth remains somewhat uncertain due to ESA’s decision to not build a lander/rover for the mission, requiring JPL to propose the use of helicopters instead.

I predict Congress will fund everything, by simply printing more money as it nonchalantly continues to grow the national debt to levels unsustainable. Meanwhile, replacing the present very complex return concept — involving a lander, helicopters, an ascent rocket, and a return capsule (from Europe) — with a much cheaper and simpler option that is now on the horizon, Starship, does not seem to have occurred to any of the these government wonks.

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ILC Dover to provide spacesuits and “softgoods” for Sierra Space’s LIFE space station

9:08 am

Sierra Space yesterday announced that it has signed a partnership deal with ILC Dover for it to provide spacesuits and other “softgoods” for Sierra Space’s LIFE space station, including helping to build the station’s inflatable modules.

ILC Dover will be an exclusive partner with Sierra Space for softgoods used to support inflatable space habitat systems for low-Earth orbit (LEO), lunar and Mars transport and surface habitation, and use cases even farther into deep space.

The two companies have already been working together on the development and testing of Sierra Space’s first prototype inflatable modules.

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Axiom offers package space program deals for other countries

9:01 am

The private space station and human spaceflight company Axiom announced this week a set of package space program deals it is marketing to other countries.

In the base tier, Axiom provides countries with advice and insight, and gives those countries priority access on upcoming missions. The second tier enables research and development activities by counties. The third tier offers human spaceflight missions on a regular basis. A fourth tier offers countries the ability to co-develop parts of Axiom’s station.

The first country to join the program is Azerbaijan, which will work with Axiom on satellite solutions and inspiring students to pursue space research and development activities. New Zealand and Uzbekistan are also participating, as well as Rakia Mission, an Israeli space education and research organization involved with the Ax-1 private astronaut mission to the ISS a year ago. Italy is another nation working with Axiom through a partnership that dates back to 2018. An Italian astronaut is slated to fly on Axiom’s Ax-3 mission to the ISS, currently scheduled for late 2023. Two astronauts from Saudi Arabia are flying on the Ax-2 mission in May.

The company also notes that it has found its customers divide into three components, government, private citizens, and corporations. At present this is their order in terms of market share, though the company thinks that corporations will eventually become its biggest customer.

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SpaceX launches 21 second generation Starlink satellites

8:47 am

SpaceX this morning successfully used its Falcon 9 rocket from Cape Canaveral to launch 21 second generation Starlink satellites into orbit.

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

The leaders in the 2023 launch race:

25 SpaceX
16 China
6 Russia
3 Rocket Lab

American private enterprise now leads China 28 to 16 in the national rankings, and the entire world combined 28 to 27. SpaceX now trails the entire world, including American companies, 25 to 30.

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April 18, 2023 Quick space links

5:19 pm

Courtesy of BtB’s stringer Jay.

 

 

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The peeling floor of a crater in the southern cratered highlands

12:00 pm

Overview map
From Argyre Basin to Hellas Basin is about 7,000 miles.

The peeling floor of a crater in the southern cratered highlands of Mars
Click for original image.

Cool image time! The picture to the right, rotated, cropped, reduced, and sharpened to post here, was taken on February 25, 2023 by the high resolution camera on Mars Reconnaissance Orbiter (MRO).

The scientists labeled this image “Crater fill”, but that hardly suffices. First, the fill appears at first glance to resemble peeling paint. At closer inspection, rather than peeling paint we have instead a collection of ridges vaguely resembling cave rimstone dams that either enclose a blob-shaped region or simply meander about until they reach the crater’s interior rim.

The crater interior itself appears largely filled with material so that its rims are subdued. The location, as indicated by that black dot near the center of the overview map above, marks the location at 49 degrees south latitude, in the middle of the cratered southern highlands of Mars where many craters have strangely eroded interiors.

What makes this crater however more puzzling is that none of the surrounding nearby craters look like this. A context camera image taken March 23, 2019 shows that while some of the nearby craters have what appears to be glacial material in their interiors, none exhibit these meandering ridges. This crater stands unique, for reasons that are utterly unknown.

Are these ridges a manifestation of the glacial material filling the crater? Or are they bedrock sticking up through that glacial debris? Your guess is as good as mine.

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