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The edge of a vast frozen lava sea on Mars

1:36 pm

The edge of a vast frozen lava sea on 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 10, 2024 by the high resolution camera on Mars Reconnaissance Orbiter (MRO). It shows what the scientists label boringly “Lava Interactions with Landscape.”

What is the lava, and what is the landscape? Here’s is my initial guess, based simply on looking at this image alone. The mound in the middle is the landscape, the rounded top of a very ancient mountain or hill. The flat plain that surrounds it is flood lava, that in the far past poured in and mostly buried the mountain.

Everything here signals a very old terrain. To get this mountain worn so smooth from the thin Martian atmosphere has to have taken more than a billion years. And that flood lava has to also be as old, because of the number of craters on its surface. I don’t know the impact rate, but I know it takes time to accumulate this number of impacts.

The sense of age is further underlined by the moat that surrounds the hill. When that lava poured in, it would have flooded right up to the mountain slope. Over time the weakest section of lava, most prone to erosion, would be that contact point. To wear it away as we now see it must have taken many eons.

All these speculations are a very unreliable guesses. To get a better understanding of this terrain it is essential we look at more than this picture alone.
» Read more

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Biden abandons Israel to appease student rioters and help Hamas survive

12:24 pm

Joe Biden, allied with Hamas
Joe Biden, appeaser to Hamas and student rioters

The mask is off: President Joe Biden has now made it clear that if Israel moves into the southern Gazan city of Rafah in order to destroy Hamas’s last batallion of soldiers as well as its leadership, he will stop sending Israel major shipments of ammunition and bombs.

President Joe Biden said for the first time Wednesday he would halt some shipments of American weapons to Israel – which he acknowledged have been used to kill civilians in Gaza – if Prime Minister Benjamin Netanyahu orders a major invasion of the city of Rafah. “Civilians have been killed in Gaza as a consequence of those bombs and other ways in which they go after population centers,” Biden told CNN’s Erin Burnett in an exclusive interview on “Erin Burnett OutFront,” referring to 2,000-pound bombs that Biden paused shipments of last week.

“I made it clear that if they go into Rafah – they haven’t gone in Rafah yet – if they go into Rafah, I’m not supplying the weapons that have been used historically to deal with Rafah, to deal with the cities – that deal with that problem,” Biden said.

Let’s distill the real significance of Biden’s decision:
» Read more

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Conscious Choice cover

Now available in hardback and paperback as well as ebook!

 

From the press release: In this ground-breaking new history of early America, historian Robert Zimmerman not only exposes the lie behind The New York Times 1619 Project that falsely claims slavery is central to the history of the United States, he also provides profound lessons about the nature of human societies, lessons important for Americans today as well as for all future settlers on Mars and elsewhere in space.

 
Conscious Choice: The origins of slavery in America and why it matters today and for our future in outer space, is a riveting page-turning story that documents how slavery slowly became pervasive in the southern British colonies of North America, colonies founded by a people and culture that not only did not allow slavery but in every way were hostile to the practice.  
Conscious Choice does more however. In telling the tragic history of the Virginia colony and the rise of slavery there, Zimmerman lays out the proper path for creating healthy societies in places like the Moon and Mars.

 

“Zimmerman’s ground-breaking history provides every future generation the basic framework for establishing new societies on other worlds. We would be wise to heed what he says.” —Robert Zubrin, founder of 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.

Proposed private GPS-type satellite constellation raises $19 million

9:56 am

Capitalism in space: Xona, a company that wants to build a commercial GPS-type satellite constellation, has now raised $19 million in private investment capital.

The round was led by Future Ventures and Seraphim Space. New investors NGP Capital, Industrious Ventures, Murata Electronics, Space Capital, and Aloniq also joined the round.

Xona is developing a commercial positioning, navigation and timing (PNT) service through a constellation of low-Earth orbit satellites. The company plans to offer the service as an alternative or backup to the Global Positioning System.

It appears the commercial users of GPS want more than one American-owned system in operation in case the government’s present constellation goes out, either because of an attack, jamming, or a major technical failure, and are willing to pay for it. Xona’s constellation, once built, could initiate the full transfer of GPS responsibility from the government to the private sector.

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ULA signs contract to build a second transport ship for its Vulcan rocket

9:45 am

ULA yesterday announced it has issued contracts for the construction of a second transport ship for bringing its Vulcan rocket from the factory in Alabama to the launch sites in Florida and California.

ULA awarded Bollinger Shipyards a contract to build a second roll-on/roll-off vessel classed for both ocean-going and river service. Construction has just begun on the 356-ft-long ship at Bollinger’s shipyard located in Amelia, Louisiana with delivery to ULA expected in January 2026.

…“ULA currently has its first ship called RocketShip that has been in service for decades and with this second ship called SpaceShip our maritime fleet will enable enterprise transportation capacity of four Vulcan launch vehicles across two voyages to either the East or West Coast,” said Ellerhorst.

ULA also hired a company in Rhode Island to design and supervise the construction. The company needs two ships because it has a lot of launches scheduled over the next few years, including 38 for Amazon to help launch its Kuiper internet satellite constellation as well as a number the U.S. military.

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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 ebook is available everywhere for $5.99 (before discount) at amazon, or direct from my ebook publisher, ebookit. If you buy it from 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

A French rocket startup enters the competition

9:35 am

A new French rocket startup, Hyprspace, has assembled the engine and body of a first stage demonstrator, dubbed Terminator, to be used to test that new engine in preparation for the first suborbital test launch.

On 4 May 2024, the company shared the first glimpse of the Terminator demonstrator at its facility in Le Haillan, France. According to the update, teams had worked through double shifts over a three-week period to prepare the demonstrator for its test firing. The test will be conducted at a Direction générale de l’armement missile test facility in Gironde, France. HyPrSpace has not yet revealed when the test is expected to take place.

This engine will eventually be used in the company’s planned orbital Baguette-1 rocket for launching smallsats.

We now have at least five European rocket startups, three in Germany (Rocket Factory Augsburg, Isar, Hyimpulse), one in Spain (PLD), and one in France (Hyprspace). We also have Avio in Italy taking over ownership from Arianespace of its Vega family of rockets. That company is about to begin static fire testing a Vega-C upper stage, its engine nozzle completely redesigned following a launch failure. It hopes to resume flying by the end of the year.

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Leaving Earth cover

There are now only 3 copies left of the now out-of-print hardback of Leaving Earth. The price for an autographed copy of this rare collector's item is now $150 (plus $5 shipping).

 

To get your copy while the getting is good, please send a $155 check (which includes $5 shipping) payable to Robert Zimmerman to
 

Behind The Black, c/o Robert Zimmerman
P.O.Box 1262
Cortaro, AZ 85652

 

Leaving Earth is also available as an inexpensive ebook!

 

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

China launches earth observation satellite

9:02 pm

China this evening (May 9th in China) successfully launched an earth observation satellite into orbit, its Long March 3B rocket lifting off from its Xichang spaceport in the southwest of China.

No word on where the first stage crashed in China, though there was a report in the Philippines that an upper stage landed near Rozul Reef and Patag Island in the West Philippine Sea. All the stages use toxic hypergolic fuels.

The leaders in the 2024 launch race:

48 SpaceX
20 China
6 Russia
5 Rocket Lab

American private enterprise still leads the world combined in successful launches, 55 to 32. SpaceX by itself still leads the rest of the world, including other American companies, 48 to 39.

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May 8, 2024 Quick space links

4:01 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.

 

 

 

  • On this day in 1963 the private communications satellite Telstar 2 was launched on a Delta B rocket

    • Twas an entirely private mission, built and paid for by AT&T, with the near term goal of building in the mid-60s a satellite constellation to provide global telephone communications. That plan was shut down by Congress and President Kennedy, who restricted all American satellites for the next decade to a quasi-goverment corporation called Comsat, essentially destroying the American commercial satellite industry for about 20 years.

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Another COVID “vaccine” withdrawn due to its sometimes fatal side effects

3:34 pm

Sudden collapse
One of many sudden post-jab public collapses.
Click for full video.

The pharmaceutical company AstraZeneca has now officially withdrawn its COVID “vaccine” from the market because it apparently sometimes causes severe blood clots that cause death. (I put “vaccine” in quotes because none of these jabs were ever vaccines, because they could not stop the virus in any meaningful way.)

In court documents filed with the High Court in February, the company admitted that the vaccine “can, in very rare cases, cause TTS.”

TTS stands for Thrombosis with Thrombocytopenia Syndrome and has been linked to at least 81 deaths in the UK with hundreds of serious injuries being reported. More than 50 people have sued the company over deaths and injuries related to the vaccine. The company has said that withdrawing the vaccine from the market is not related to the court case.

It appears the company has known these facts for quite awhile, but because governments have given it complete immunity, it had no compunction to withdraw the drug sooner. It was making too much money from it, in the billions, and it knew that any damage claims would be paid by those governments, not AstraZeneca.

Nor is this the first COVID jab withdrawn. Last year a Johnson & Johnson drug was pulled from the market. It had a similar adverse effect, causing dangerous blood clots.

Meanwhile the COVID drugs issued by Modena and Pfizer, both of which use mRNA technology, have been shown to carry their own toxicity risks.
» Read more

8 comments

Taffy terrain in Mars’ death valley

2:11 pm

Taffy terrain in Mars' death valley
Click for original image.

Cool image time! The picture to the right, rotated, cropped, and enhanced to post here, was taken on December 17, 2023 by the high resolution camera on Mars Reconnaissance Orbiter (MRO). It shows what the scientists label “banded terrain and possible breached crater.”

Banded terrain is another name for a geological feature dubbed “taffy terrain” and only found on Mars, and furthermore only found there in Hellas Basin, the deepest giant impact basin on the red planet. This taffy terrain is considered very young, no than 3 billion years old, and formed from the flow of some form of viscous material, though what that material is remains unsolved.

This image however may help solve that mystery. The breached crater is just off frame to the upper right. The two-fingered flow coming down from the picture’s top is the flow coming out of the crater’s gap.
» Read more

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SpaceX launches another 23 Starlink satellites

12:07 pm

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

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

The leaders in the 2024 launch race:

48 SpaceX
19 China
6 Russia
5 Rocket Lab

American private enterprise now leads the world combined in successful launches, 55 to 31. SpaceX by itself now leads the rest of the world, including other American companies, 48 to 38.

6 comments

A former SpaceX employee gives a fascinating account of what it is like to work there

10:29 am

Link here. The account is everything you would expect. The work culture is open, efficient, and aggressive. You need to provide value and be self-motivated or you will not survive.

This one story reveals a lot:

[I]f I was in a meeting and it was adding value to what I did daily, stay, or if I was adding value based on my expertise, stay — but if neither of those things were happening, you should get up and respectfully walk out.

In one instance, a government customer came in with a 50-slide deck. Six slides into the presentation, 75% of the room had walked out. I had to tell him that if he didn’t get to the point, I’d be the only person left in the room — and only because I had to walk him out. He skipped ahead to his last five slides. That kind of environment makes you much more efficient.

I bet there are a lot of corporate workers reading this that fervently wish they had the right to walk out of a meeting that was wasting their time. Furthermore, consider that government customer: He or she brought a slide deck where 90% of the slides were fluff. That indicates the kind of work atmosphere he or she comes from.

For smart people who want to be creative, it would be an incredible pleasure to work in such an environment. No wonder SpaceX produces such good products.

7 comments

Webb data suggests a super-Earth might have an atmosphere

10:20 am

Using infrared data from the Webb Space Telescope, scientists now think the hot super-Earth exoplanet dubbed 55 Cancri e and 41 light years away might have an atmosphere made up not only of vaporized molten rock but other gases as well, such as carbon dioxide or carbon monoxide.

The exoplanet orbits much too close to its star, only 1.4 million miles away, for any life as we know it to exist. Its surface is thought to be molten, heated by that star.

The team thinks that the gases blanketing 55 Cancri e would be bubbling out from the interior, rather than being present ever since the planet formed. “The primary atmosphere would be long gone because of the high temperature and intense radiation from the star,” said Bello-Arufe. “This would be a secondary atmosphere that is continuously replenished by the magma ocean. Magma is not just crystals and liquid rock; there’s a lot of dissolved gas in it, too.”

As always, these results remain unconfirmed and are very uncertain.

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Redwire developing a satellite designed to fly in extremely low orbits

10:07 am

The orbital manufacturing company Redwire is now developing a satellite, dubbed SabreSat, to fly for long periods in extremely low orbits where the atmosphere would normally cause the orbit to quickly decay.

SabreSat, Redwire Space’s satellite for very low Earth orbit, looks more like a dart than a traditional spacecraft. “As you think about aerodynamics, you want the dart to be skinny and long, not stubby and fat,” Spence Wise, Redwire senior vice president for missions and platforms, told SpaceNews.

Redwire is designing SabreSat for government intelligence, surveillance and reconnaissance missions.

The satellite would fly in orbits from 55 to 200 miles altitude. By flying so low it will get far better images and ground data than spacecraft in higher orbits. It will also be less vulnerable to attack compared to high altitude aerial reconnaissance balloons or airplanes.

Its dart-like shape will meanwhile reduce friction so that less fuel will be required to maintain its orbit.

3 comments

Orbital tug startup Starfish Space wins $37.5 million contract from Space Force

9:55 am

Even though problems with another company’s deployment system prevented a docking test in orbit last month of its Otter Pup tug, the orbital tug startup Starfish Space has won a $37.5 million contract from Space Force to further develop its autonomous rendezvous and docking system.

The newly announced $37.5 million Space Force contract will support the development of an Otter demonstration spacecraft over the course of the next four years. In its announcement of the fixed-price contract — which was awarded through the Strategic Funding Increase program, or STRATFI — the Department of Defense said the project’s goal is to “improve maneuverability on-orbit and enable dynamic space operations docking and maneuvering of Department of Defense assets on-orbit.”

Though the docking test was prevented when the tug deploying Otter Pup (owned by a different tug company, Launcher) went into an unplanned spin, Otter Pup was deployed and brought under control. Those maneuvers however used up most of its fuel. Engineers were still able to work with another orbital tug company, D-Orbit, to maneuver and rendezvous with that company’s ION tug and thus succeed in demonstrating Pup’s rendezvous technolgoy.

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Chang’e-6 enters lunar orbit

9:42 am

Chang'e-6 landing zone

China’s Chang’e-6 sample return spacecraft successfully entered lunar orbit today, in preparation for its mission to land and bring back material from the the far side of the Moon. The landing zone is indicated by the red box on the map to the right, on the southern rim of Apollo Crater in the southern hemisphere. That crater is inside South Aitkin Basin, one the Moon’s largest impact basins.

The spacecraft will next adjust its orbit to prepare for sending its lander-ascender sections down to the surface. If the landing goes well, it will drill into the surface, place some material into the ascender section, which will then lift-off and dock with the orbiter-return section in orbit. The material will be transferred into the return section, which will separate and bring the material back to Earth, sometime in late June.

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Launch of first manned flight of Starliner rescheduled for May 17, 2024

9:31 am

Because ULA engineers have decided they need to replace the valve that forced a launch scrub on May 8th, the first manned launch of Boeing’s Starliner capsule to ISS has now been rescheduled to May 17, 2024.

The oscillating behavior of the valve during prelaunch operations, ultimately resulted in mission teams calling a launch scrub on May 6. After the ground crews and astronauts Butch Wilmore and Suni Williams safely exited from Space Launch Complex-41, the ULA team successfully commanded the valve closed and the oscillations were temporarily dampened. The oscillations then re-occurred twice during fuel removal operations. After evaluating the valve history, data signatures from the launch attempt, and assessing the risks relative to continued use, the ULA team determined the valve exceeded its qualification and mission managers agreed to remove and replace the valve.

Replacing the valve is a somewhat routine procedure, but it will take a few days, causing the two-week delay.

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TESS resumes science operations

9:26 am

Engineers have corrected the issue that put the space telescope TESS into safe mode on April 8, 2024 and have resumed science operations.

The operations team determined this latest safe mode was triggered by a failure to properly unload momentum from the spacecraft’s reaction wheels, a routine activity needed to keep the satellite properly oriented when making observations. The propulsion system, which enables this momentum transfer, had not been successfully repressurized following a prior safe mode event April 8. The team has corrected this, allowing the mission to return to normal science operations. The cause of the April 8 safe mode event remains under investigation.

As for that April 8th safe mode, though engineers were able to return the spacecraft to normal operations after about a week, that they still do not know what caused it remains a concern.

TESS takes high resolution survey images of 93% of the sky about once per month. By comparing the data from each scan, scientists have discovered so far more than 300 transiting exoplanets as well as many supernovae and other phenomenon related to variable stars.

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May 7, 2024 Quick space links

3:30 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.

 

2 comments

Sweden’s Esrange spaceport gets its first orbital customer

3:23 pm

Proposed spaceports surrounding Norwegian Sea
Proposed spaceports surrounding Norwegian Sea

Sweden’s Esrange spaceport today announced it has signed its firs orbital rocket customer, Perigee Aerospace from South Korea.

In its 7 May announcement, SSC explained that Perigee Aerospace expected to launch the first Blue Whale 1 mission from Esrange no earlier than 2025 following a successful maiden flight from South Korean soil.

…Blue Whale 1 is a two-stage rocket that will stand approximately 21 metres tall and feature a reusable first stage.

Esrange was originally built by an earlier version of the European Space Agency in 1964, then transferred to Sweden in 1972. Until until a orbital launchpad was installed 2023 it was solely dedicated to suborbital flights. It now is attempting to attract the new commercial rocket industry, as well as compete with the other new nearby spaceports, as shown on the map.

This new rocket from South Korea is also news, as it indicates that the fever for capitalism in space has even reached that country.

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Swirls of layers and dunes at the bottom of Valles Marineris

2:57 pm

Overview map

Swirls of layers and dunes
Click for original image.

Cool image time! The picture to the right, cropped, reduced, and sharpened to post here, was taken on February 25, 2024 by the high resolution camera on Mars Reconnaissance Orbiter (MRO). It shows a small spot of the floor of Mars’ giant canyon Valles Marineris, the largest such canyon known in the solar system, as indicated by the white dot on the overview map above.

This location is not actually at the very bottom of the canyon, but on a very large mountainous bench extending out about 20 miles from the canyon’s south rim. It seems there is a lot of dust and sand on this bench, producing many miles of swirling dunes. It also appears there are many terraced layers in the region as well, which also swirl in curves going in many different directions. Though it appears that most of the swirls in this picture are from layers in the bedrock, this conclusion is not certain. For example, are the curves on the top of the mesa dunes or bedrock layers? The answer is hardly clear.

For scale, the canyon at this location is about 80 to 90 miles wide. The northern rim rises five miles from the bottom to the top, while the south rises seven miles. And yet, though five to ten times larger than Earth’s Grand Canyon, this is only a small side spur of Valles Marineris.

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Apparently rioting in support of murderous terrorists does not win the hearts and minds of the public

1:55 pm

Hamas vs Israel
Do the protesters really believe that behaving like
Hamas will get the public to support Hamas?
Courtesy of Doug Ross.

Good news: The student protests and riots on college campuses as well as at a variety of other public events in the past month in support of the terrorist organization Hamas has apparently succeeded in only one thing: tarnishing the reputations of their universities while disqualifying their own job prospects.

It appears the public really doesn’t support anti-Semitism and the killing of all Jews in Israel. Nor have the violent riots by the protesters to destroy libraries while illegally taking over campuses done anyting to change the public’s mind.

Who wudda thought it?

Instead, the public is appalled, and is showing its disgust in the past week in very public ways. For example, yesterday thirteen federal judges announced they will no longer hire law clerks from Columbia.
» Read more

23 comments

Scientists: Restrict all exploration on Mars to protect our future work!

10:52 am

In a paper just published, planetary scientists Australia have proposed strict guidelines for any future exploration on Mars in order to prevent future colonists from doing anything that might interfere with any future research the scientists might want to do.

The thrust of the paper, they comment, is to ensure that locales of geological significance on Mars do not suffer the same damage as many sites on Earth have faced. Sites on the Red Planet can be practically conserved while still allowing science and exploration to continue, they say.

“Geoconservation allows humanity to protect Earth’s story and geological history,” the researchers observe, “so that present and future generations can experience Earth’s aesthetic beauty, conduct scientific research, connect with various cultures, adequately protect and ensure the functioning of Earth’s biology and ecosystems, and learn about the history of our planet.”

Let me translate: “We academics fear allowing others the freedom to explore. We come first. Let’s create rules that will allow us to do what we want, while forcing others to ask us for permission to do what they want.”

Sadly, this mentality now rules throughout all of western civilization’s intellectual community, and its not much different than the totalitarian top-down attitudes of the Russians and Chinese. Those in charge or better educated simply know better than everyone else, and are hell bent on telling everyone what they can and cannot do.

The first few generations of colonists on Mars, the Moon, and the asteroids are going to find their hands badly tied. Freedom will not exist.

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Musk: SpaceX and Starlink don’t use artificial intelligence

10:31 am

During an interview at a recent conference Elon Musk admitted that both SpaceX and Starlink have found artificial intelligence (AI) lacking, and don’t use it at all.

The irony was that prior to this admission, Musk had been extolling AI’s potential, predicting it would someday do wonderful things.

Musk, who answered questions during 27th annual Milken Institute Global Conference on Monday, spent a sizable portion of his talk extolling the benefits of artificial intelligence. At one point, he said a “truth-seeking” AI could “foster human civilization” when asked about the role the technology would play in human’s everyday lives.

But when asked whether AI could “accelerate” his efforts in space exploration, he seemed less excited about the technology. …”I mean, oddly enough, one of the areas where there’s almost no AI used is space exploration,” Musk replied. “So SpaceX uses basically no AI, Starlink does not use AI. I’m not against using it. We haven’t seen a use for it.”

Musk continued, saying that he’s been testing improved AI language models by asking them questions about space — and the results have been disappointing. “With any given variant of or improvements in AI, I mean, I’ll ask it questions about the Fermi paradox, about rocket engine design, about electrochemistry — and so far, the AI has been terrible at all those questions,” Musk said.

Here we see the visionary meet the practical engineer/businessman. Musk always looks to the future with grand visions, but when it comes time to build those visions, he never allows his vision to interfere with practicality. AI is still essentially garbage-in-garbage-out. The rush by businesses and tech-firms to blindly use has resulted in more than a few disasters.

Musk doesn’t do anything blindly. He tested AI first, found it wanting, and thus put it aside, despite believing it will someday do wonderful things.

If only more companies used this approach. If they had, they might not have blindly pushed DEI and ESG requirements that have done nothing but harm to their companies, their work forces, and their bottom lines.

5 comments

A quarter century after it was lost in orbit an American military test satellite has been rediscovered

10:17 am

A target satellite launched in 1974 as part of a military test of its surveillance satellite technology has been rediscovered in orbit twenty-five years after it was last tracked.

The Infra-Red Calibration Balloon (S73-7) satellite started its journey into the great unknown after launching on April 10, 1974 through the United States Air Force’s Space Test Program. It was originally contained in what was called “The Hexagon System” in which S73-7, the smaller satellite, was deployed from the larger KH-9 Hexagon once in space. S73-7 measured 26 inches wide (66 centimeters) and began its life heading into a 500 mile (800 kilometers) circular orbit.

While in orbit, the original plan was for S73-7 to inflate and take on the role as a calibration target for remote sensing equipment. After this failed to be achieved during deployment, the satellite faded away into the abyss and joined the graveyard of unwanted space junk until it was rediscovered in April.

After it first drifted out of contact after launch in 1974 S73-7 has been been lost and rediscovered several times, first in the 1970s, then in the 1990s, and now. It appears its radar profile makes it hard to pick up, which means it will likely be lost again.

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SpaceX unveils the spacesuit Jared Isaacman will use to do the first private spacewalk

10:05 am

SpaceX this past weekend unveiled the spacesuit that Jared Isaacman will use on his Polaris Dawn mission, presently scheduled for this coming summer, to do the first spacewalk by a private citizen.

This spacewalk suit is based on SpaceX’s flight suits that astronauts presently wear when inside Dragon, but is much more capable. From SpaceX’s webpage:

Developed with mobility in mind, SpaceX teams incorporated new materials, fabrication processes, and novel joint designs to provide greater flexibility to astronauts in pressurized scenarios while retaining comfort for unpressurized scenarios. The 3D-printed helmet incorporates a new visor to reduce glare during the EVA in addition to the new Heads-Up Display (HUD) and camera that provide information on the suit’s pressure, temperature, and relative humidity. The suit also incorporates enhancements for reliability and redundancy during a spacewalk, adding seals and pressure valves to help ensure the suit remains pressurized and the crew remains safe.

Creating this suit was the main reason Isaacman’s five day orbital Polaris Dawn mission was delayed by almost two years.

I wonder what it cost SpaceX to develop this new suit. I strongly suspect it was much cheaper than the spacesuits NASA has hired Axiom and Collins Aerospace to create. It certainly has been built faster.

6 comments

Rocket Lab delays first launch of new Neutron rocket

9:41 am

Rocket Lab has delayed the first launch of its new larger Neutron rocket from late 2024 to mid-2025 in order to complete the testing of that rocket’s new methane-fueled Archimedes engine.

Many component, subsystem, and all-up system tests will be conducted throughout the test campaign. These tests will validate Archimedes’ transient start-up, steady-state, and shut down performance. The engine test and development campaign is a key driver of the schedule for Neutron’s first launch, which the Company today confirmed is now expected to take place no earlier than mid-2025.

That testing will also certify it for use in as many as twenty flights, as the Neutron rocket is being designed from the get-go to be reusable.

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China successfully completes first launch of new Long March 6C rocket

9:33 am

China today successfully completed the first launch of its new Long March 6C rocket, lifting off from its Taiyuan spaceport in the north interior of China.

The rocket uses kerosene as its fuel, rather than the toxic hypergolic fuels used in its older rockets, and is part of an effort to replace all those older rockets. Thus, when its lower stage crashes inside China, the risks of it harming anyone is reduced somewhat. China released no information on where that first stage crashed on this first launch.

The rocket placed four satellites in orbit.

The leaders in the 2024 launch race:

47 SpaceX
19 China
6 Russia
5 Rocket Lab

American private enterprise still leads the world combined in successful launches, 54 to 31, with SpaceX by itself leading the rest of the world, including other American companies, 47 to 38.

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