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What the Milky Way would look like if it was presently a star forming powerhouse

9:15 am

A galaxy as seen by Hubble and Webb
For the original images go here and here.

Cool image time! The two pictures to the right, taken respectively by the Hubble and Webb space telescopes of the same galaxy, shows us many different features of a barred galaxy, located about 35 million light years away. From the caption for the Hubble image:

This picture is composed of a whopping ten different images taken by the Hubble Space Telescope, each filtered to collect light from a specific wavelength or range of wavelengths. It spans Hubble’s sensitivity to light, from ultraviolet around 275 nanometres through blue, green and red to near-infrared at 1600 nanometres. This allows information about many different astrophysical processes in the galaxy to be recorded: a notable example is the red 656-nanometre filter used here. Hydrogen atoms which get ionised can emit light at this particular wavelength, called H-alpha emission. New stars forming in a molecular cloud, made mostly of hydrogen gas, emit copious amounts of ultraviolet light which is absorbed by the cloud, but which ionises it and causes it to glow with this H-alpha light.

Therefore, filtering to detect only this light provides a reliable means to detect areas of star formation (called H II regions), shown in this image by the bright red and pink colours of the blossoming patches filling NGC 1559’s spiral arms.

The Z-shaped blue indicates the stars and its most distinct spiral arms. Astronomers presently believe that the Milky Way is also a barred spiral like this, though its star-forming regions are thought to be far less extensive and distinct.

The Webb infrared image matches the Hubble data, with the false color blue indicating the near-infrared and the false color red the mid-infrared. As with the Hubble picture, the red indicates the galaxy’s extensive star forming regions.

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Investigation into upper stage failure during Ariane-6’s first launch completed

8:38 am

The Ariane-6 rocket investigation team, including people from the European Space Agency (ESA), CNES (France’s space agency), ArianeGroup (which built and owns the rocket), and Arianespace (which presently manages the rocket), has identified the issue that caused the rocket’s upper stage failure during the rocket’s first launch in July.

In a 16 September update, the Task Force announced that the investigation had identified a single temperature measurement that “exceeded a predefined limit” as the root cause of the anomaly. The tripped limit caused the software to trigger a shutdown of the APU which ensured the rocket’s Vinci upper stage engine could not be restarted for the final burn.

In order to remedy this issue and ensure a similar shutdown does not occur in the future, the ignition preparation sequence, specifically the APU chill-down sequence, has been changed. The updated flight software is already being tested as teams prepare for the rocket’s first commercial flight which is set to take place before the end of the year.

Because of that incorrect temperature, the upper stage did not do its final burn, thereby stranding the stage and two demonstration return capsules in the wrong orbit. This prevented the test return of both capsules, as well as the test planned de-orbit of the stage over the ocean.

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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

Two Russian astronauts mark one year in orbit

11:38 am

Russian astronauts Oleg Kononenko and Nikolay Chub today marked the one year anniversary of their launch in 2023, thus marking another Russian yearlong mission in space.

The two cosmonauts were sent to the orbit aboard the Soyuz MS-24 manned spacecraft, which blasted off from the Baikonur space launch center on September 15, 2023. The third crew member on board was NASA astronaut Loral O’Hara, who returned to the Earth on April 6, 2024. Kononenko and Chub, as well as NASA astronaut Tracy Dyson, will travel back aboard the Soyuz MS-25 spacecraft, whose departure is scheduled for September 23.

Their return next week will not mark a record for the longest flight in space. That belongs to Valeri Polykov, who occupied the Soviet-built Mir space station in the mid-1990s for one year, two months, and two weeks in the mid-nineties, or 438 days. The second longest flight was by Sergey Avdeev, 380 days on Mir in 1998-1999, with the third longest flight by Sergey Prokopyev, Dmitry Petelin, and Franco Rubio, 371 days in 2022-2023.

When Kononenko and Chub return on September 23rd, their flight will 373 days long, passing the 2022-2023 mission.

Note that only one American is on this list. A few have flown almost a year, but only Rubio has made it, and that was forced on him unplanned because of problems with the Soyuz capsule that brought him into orbit. He was forced to stay up an extra six months and come down on the next Soyuz.

The reason for this lack of long American flights is entirely NASA’s fault. It has consistently resisted doing such long missions, even holding the Russians back during the first two decades of ISS’s operation. The Russians no longer follow NASA’s timidity, and have been doing more such missions, because such missions will be the only way to gather the necessary medical data needed for future missions to Mars.

Meanwhile, NASA hesitates, and sometimes touts eleven-month missions (such as Scott Kelly’s) as year-long missions, a blatant lie that our propaganda press repeats mindlessly. I fully expect the first planned year-long American mission will be done privately, outside of our government, once Starship begins flying regularly.

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Iran completes third orbital launch in 2024

10:17 am

Iran's spaceports

According to Iran’s state-run press and now confirmed by independent sources, Iran yesterday completed its third orbital launch in 2024, its new solid-fueled three stage Qaem-100 rocket lifting off on its second launch from Iran’s interior Semnan spaceport. No word on where the rocket’s lower stages crashed.

The payload was an engineering test satellite, which according to the Iranian press is operating as planned.

At the moment Iran appears to aggressively accelerating its civilian space program. It now has two functioning rockets, the Simorgh rocket, which placed three satellites in orbit in January, and the Qaem-100, its first launch taking place also in January. The country is also building a coastal spaceport near the town of Chabahar, as shown on the map to the right. Moreover, this third launch is the most the country has ever achieved in a single year. Until 2024, Iran had never launched more than once in any year.

And while these rockets and satellites do not appear to be military in nature, the technology development will certainly result in advances in Iran’s missile capabilities. The Qaem-100’s solid-fueled design is exactly what most ballistic missiles use, since it allows the missile to be stored fueled for long periods.

The leader board in the 2024 launch race remains unchanged.

91 SpaceX
38 China
10 Rocket Lab
10 Russia

American private enterprise still leads the rest of the world combined in successful launches 106 to 59, while SpaceX by itself leads the entire world, including American companies, 91 to 74.

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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.

Resilience splashes down safely, ending Polaris Dawn commercial manned orbital mission

12:48 am

SpaceX’s Resilience capsule has just splashed down safely in the Gulf of Mexico, ending the five-day Polaris Dawn private manned orbital mission, commanded by billionaire and jet pilot Jared Isaacman.

As of posting the capsule is still in the water with divers and boats on the way.

This completes the first mission in Isaacman’s planned three mission Polaris program. It was a complete success, doing a great deal of medical research on the effects of high orbit radiation on the human body as well as the first private spacewalk using SpaceX’s first EVA spacesuits. For Isaacman’s next mission he has already proposed doing a Hubble repair mission. NASA has had mixed feelings about this idea, but after this success it will be interesting if that attitude changes.

I must comment that the coverage by SpaceX employees on this mission was somewhat annoying. For the first time, they spent a lot of time giggling and focusing on PR and how “cool” and “incredible” and “wonderful” everything was, from amusing new decals in the capsule to the spacewalk to Sarah Gillis’ violin performance.

All of this was as great as they kept saying, which is why they didn’t need to say it, over and over and over and over and over again. It would have been better if they had done what SpaceX has generally done on previous broadcasts and missions, focused on describing the technical aspects and then staying silent otherwise. Gushing like this is more like a NASA or Blue Origin broadcast, and does not do SpaceX credit.

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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

Sarah Gillis – Rey’s Theme

6:01 pm

An evening pause: The music is by John Williams. The lead violinist is space-walking Sarah Gillis, playing from the Resilience capsule in orbit right now.

Hat tip Gary.

11 comments

Bad consequences from the medical profession’s panic/lies over COVID continue to build

3:23 pm

The results of COVID policy decisions of our medical community
The results of COVID policy decisions
for our medical community

Several stories in the past week illustrate how the medical community dug itself a deep hole with its dishonest panic and over-reaction to COVID and its response to it.

First the background from 2020: Rather than follow past very successful policies involving new epidemics, whereby only the sick and aged were quarantined while everyone else went about their normal lives, intentionally spreading the new respiratory virus to those with which it was relatively harmless so that the entire population could quickly get herd immunity and thus quickly choke the virus out, our modern medical community, in conjunction with government health officials who had political motives, chose to quarantine everyone, destroying the economy and the livelihoods of millions while actually allowing the disease time to spread to the aged and sick, killing many more than were necessary.

Numerous studies have confirmed the failure of the lockdown and mandate policies during COVID. Sweden for example essentially followed those traditional policies, never locking down or mandating masks or shots. It was blasted for that decision, with many in the health community predicting massive deaths from COVID. Instead, studies have now proven that Sweden had the lowest mortality in Europe from 2020–2022.

That’s the background. The new stories this week illustrate the consequences. First, a recent peer-reviewed study found that trust in doctors has crashed since 2020. The numbers are quite shocking:
» Read more

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Perservance looks back from on high

10:25 am

Perservance's view looking back down Neretva Vallis
Click for original image.

Cool image time! The picture above, cropped to post here, was taken on September 9, 2024 by the left navigation camera on the Mars rover Perseverance, looking east and back along the route from which the rover had come.

The view is somewhat more spectacular than most Perseverance images because the rover took it during its on-going climb up unto the rim of Jezero Crater, as shown by the overview map below. The blue dot marks Perseverance’s present position, while the yellow lines indicate the area covered by the picture above, taken several days earlier.

The haze in the picture also suggests that the local dust storm first noted in late August might be clearing somewhat. This isn’t certain, however, as the previous picture was using the rover’s high resolution camera to look at distant hills (thus more obscured), while the picture above was taken by the left navigation camera looking more widely and at nearer objects.

Overview map
Click for interactive map.

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Intuitive Machines targeting January 2025 for launch of its next lunar lander

9:37 am

The landers either at or targeting the Moon's south pole
The landers either at or targeting the Moon’s south pole

The company Intuitive Machines is now aiming to launch its second Nova-C lunar lander, dubbed Athena, during a January 1-5, 2025 launch window.

The landing site is indicated on the map to the right, on the rim of Shackleton crater and almost on top of the south pole. While Chang’e-7 is targeting the same crater rim, it is not scheduled for launch until 2026.

The lander will not only include a drill for studying the surface below it, it will release a small secondary payload, the Micro-Nova Hopper, which will hopefully hop down into the permanently shadowed craters nearby.

The launch will also carry a lunar orbiter, dubbed Lunar Trailblazar, which will not only do spectroscopy of the lunar surface, looking for water, it will also be used as a communications relay satellite with Athena. That orbiter, designed to demonstrate the ability to build a smallsat at low cost, was previously threatened with cancellation because its builder, Lockheed Martin, went way over budget.

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New gravity map of Mars released

9:09 am

New global map of Mars gravity field
Click for original image.
Using both seismological data compiled over four years by the InSight Mars lander as well tiny changes in the orbits of Martian satellites, scientists have now created a global gravity map of the red planet, indicating the regions below the surface that are either low or high density.

That map is above, annotated by me to indicate some of Mars’ major surface features.

The density map shows that the northern polar features are approximately 300-400 kg/m3 denser than their surroundings. However, the study also revealed new insights into the structures underlying the huge volcanic region of Tharsis Rise, which includes the colossal volcano, Olympus Mons.

Although volcanoes are very dense, the Tharsis area is much higher than the average surface of Mars, and is ringed by a region of comparatively weak gravity. This gravity anomaly is hard to explain by looking at differences in the martian crust and upper mantle alone. The study by Dr Root and his team suggests that a light mass around 1750 kilometres across and at a depth of 1100 kilometres is giving the entire Tharsis region a boost upwards. This could be explained by huge plume of lava, deep within the martian interior, travelling up towards the surface.

I once again note that the largest impact basin on Mars, Hellas Basin, sits almost exactly on the planet’s far side from Tharsis, and appears to have a light density. This contrast once again makes me wonder if the origin of that impact and the Tharsis Bulge are linked.

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Boeing employees reject deal of union and company and go on strike

8:47 am

In another blow to the company, Boeing’s employees have gone on strike after overwhelming voting to reject a new deal their union officials had negotiated with the company that had called for a 25% salary increase across the board.

Members of the International Association of Machinists District 751, which represents about 33,000 Boeing workers in Washington state, walked off the job when their contract expired at midnight on Thursday night. Almost 95 per cent rejected the deal endorsed by their bargaining team on Sunday and 96 per cent voted to strike, easily exceeding the two-thirds majority needed to trigger a walkout.

Many of the union’s members expressed anger on social media, criticising the deal and accusing IAM leaders of settling for too little. Many had been ready to strike, partly fuelled by residual anger from a 2014 deal that eliminated defined-benefit pensions.

Boeing on Thursday said it was ready to renegotiate a deal to halt a crippling strike.

Right now Boeing’s credit rating is “one notch above junk” and if the strike isn’t settled quickly that rating could drop more. It will also prevent the company from taking any action to recover from its numerous problems that are limiting sales of its airplanes and its military and space products.

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SpaceX launches 21 more Starlink satellites

8:39 am

SpaceX last evening successfully placed another 21 Starlink satellites into orbit, its Falcon 9 rocket lifting off from Vandenberg in California.

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

The leaders in the 2024 launch race:

91 SpaceX
38 China
10 Rocket Lab
10 Russia

American private enterprise now leads the rest of the world combined in successful launches 106 to 58, while SpaceX by itself leads the entire world, including American companies, 91 to 73.

4 comments

September 12, 2024 Quick space links

3:18 pm

Like yesterday, reader Gary has stepped in to cover for BtB’s stringer Jay, who is off on a work trip this week. 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.

 

 

  • ArianeSpace CEO Stéphane Israël criticizes billionaires in space

    • But then, Israel has generally been a head-in-the-sand fool for more than a decade when it comes to reusability and commercial space. His insistence ten years ago that it made no financial sense to make Ariane-6 reusable resulted in that rocket being overpriced in today’s market, which is why Europe is right now pushing Arianespace and Stephen Israel out and replacing both with private commercial rocket companies competing for business. All he does here is provide proof that getting him out of the way is the best thing the European Space Agency has done in years.

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Heritage Foundation releases guide to colleges that teach instead of indoctrinate

2:23 pm

Heritage map of good and bad colleges
Click for interactive map.

In an effort to find at least two universities in every state that are focused not on leftist and queer indoctrination but instead on free expression and open inquiry, the conservative Heritage Foundation has now put together an interactive map and guide that parents and high school students can use to choose a quality college to attend.

The image to the right is a screen capture of that map, located here. You can click on each dot to get more detailed information about why Heritage recommends or not recommends it. For example, for Thomas Aquinas College in California the guide says the following in explaining why it lists it as a “great option.”

The mission of Thomas Aquinas College (TAC) is to renew “what is best in the Western intellectual heritage and to [conduct] liberal education under the guiding light of the Catholic faith.” TAC has an impressive “A+” rating from the American Council of Trustees and Alumni. It does not have a bias response team, nor does it require diversity statements for hiring. It has an impressive 80 percent four-year graduation rate. Thomas Aquinas College also accepts the Classical Learning Test for admission.

Meanwhile, the guide says the following in giving Cornell University, Duke, Brown, Harvard, and Tufts a “not recommended” status:
» Read more

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A fluted mesa on Mars

1:27 pm

A fluted mesa on Mars
Click for original image.

Cool image time! The picture to the right, cropped, reduced, and sharpened to post here, was taken on July 9, 2024 by the high resolution camera on Mars Reconnaissance Orbiter (MRO). It shows what the science team labels a “silica-rich mound”, as indicated by the bright streaks on all the high ridge points.

The flat-topped mesa on the right drops about 200 feet to the valley floor. The rims of that depression to the west rise about 50+ feet higher, while mesa nose in the upper left rising another 50+ feet more.

Was the depression caused by an impact? If so, the landscape has changed radically since that impact occurred, with most of the surrounding terrain eroded away. The two flat-topped mesas hint at the ancient surface when that impact occurred.

A wider view however raises questions about this impact theory.
» Read more

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Scientists re-create on Earth the sublimation of Mars’s winter mantle of dry ice

11:32 am

Spiders created on Earth
Click for original image.

Scientists have successfully re-created on Earth the process on Mars that creates the unique “spider” formations seen in the the Martian south pole region, produced when the winter mantle of dry ice begins to sublimate away into a gas.

The study confirms several formation processes described by what’s called the Kieffer model: Sunlight heats the soil when it shines through transparent slabs of carbon dioxide ice that built up on the Martian surface each winter. Being darker than the ice above it, the soil absorbs the heat and causes the ice closest to it to turn directly into carbon dioxide gas — without turning to liquid first — in a process called sublimation (the same process that sends clouds of “smoke” billowing up from dry ice). As the gas builds in pressure, the Martian ice cracks, allowing the gas to escape. As it seeps upward, the gas takes with it a stream of dark dust and sand from the soil that lands on the surface of the ice.

At the south pole, the ground below the mantle is stable enough that each winter the trapped CO2 gas follows the same path to the same points where the dry ice cracks, slowly creating “tributaries” that combine to form the spider formations.

The picture to the right, cropped, reduced, and sharpened to post here, comes from figure 9 of the paper [pdf]. It shows the lab-created spiders formed by this simulated process, thereby confirming this hypothesis about how the spiders form.

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Italian rocket company Avio outlines its future rocket plans

11:07 am

Link here. The plans include steady upgrades to its Vega-C rocket, including replacing the upper stage engine presently provided by a Ukrainian company with an engine built by Avio itself.

The bigger development will be a more powerful rocket, the Vega-E, to replace the Vega-C in 2027.

This version of the rocket will retain the first and second stages of the Vega C+ rocket and substitute the third and fourth stages for a single liquid fuel stage powered by the company’s new M10 methalox rocket engine.

The company is also hoping to begin test flights in 2026 of a Grasshopper-type small-scale demonstration rocket leading to the development of a reusable two-stage rocket that would eventually replace Vega-E.

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NASA receives 11 VIPER proposals from the private sector

10:58 am

NASA is now evaluating eleven different proposals from private companies to take over the agency’s canceled VIPER lunar rover.

Equipped with three scientific instruments and a drill, the rover was to be delivered to the Moon by a commercial lander, Griffin, built by Pittsburgh-based Astrobotic as part of NASA’s Commercial Lunar Payload Services (CLPS) initiative. Astrobotic and several other companies have CLPS contracts to deliver NASA science and technology experiments to the Moon. NASA pays for delivery services for its payloads. The companies are expected to find non-NASA customers to close the business case.

NASA is paying Astrobotic $323 million for landing services on top of the cost of VIPER itself. NASA’s commitment to Congress was that VIPER would cost $433.5 million with landing in 2023. By the beginning of this year, that had become $505.4 million with landing in 2024.

It appears NASA canceled the VIPER mission because the agency had doubts Astrobotic would launch Griffin on time. The rover cost overruns, plus additional costs from that launch delay, made NASA management back out.

Though NASA has not revealed any details about the new eleven proposals, we know that Astrobotic’s competitor, Intuitive Machines, is one of those proposals. How it can get it launched to the Moon for less than it would have cost to launch on Astrobotic’s Griffin however is a mystery to me.

Meanwhile, Griffin is still going to launch, with Astrobotic now able to sell that VIPER payload space to others and NASA paying for the flight.

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The UK awards space removal contract to Astroscale/Clearspace partnership

10:49 am

The United Kingdom yesterday awarded a new $3 million contract to a partnership of the Japanese company Astroscale and the Swiss company Clearspace to further develop a mission to de-orbit two satellites in 2026.

The British subsidiaries of Japan-based Astroscale and Switzerland’s ClearSpace announced about 2.35 million British pounds ($3 million) each in funding before tax Sept. 11 to continue de-risking their robotic arm capture system and debris de-tumbling capabilities. The grants enable the ventures to continue working on their technologies until March, when the UK Space Agency is expected to decide which will conduct the demonstration mission.

Both consortiums passed preliminary design reviews for their mission earlier this year.

Both companies are positioning themselves as space junk removal operations, with Astroscale having already flown a partly successful mission to demonstrate rendezvous and capture technologies using its own proprietary magnetic capture system.

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Ispace targeting a December launch for its second attempt to softland on the Moon

10:41 am

Landing zone for Resilience lander

At a press conference yesterday officials of the Japanese company Ispace announced that they are now targeting a December 2024 launch of their second Hakuto-R lunar lander, dubbed “Resilience”, with the landing site located in the high mid-latitudes of the near-side of the Moon.

The map to the right indicates that location, inside Mare Frigoris. Atlas Crater is where Ispace attempted but failed to soft land its first lunar lander, Hakuto-R1, in April 2023.

This new lander will be launched on a Falcon 9 rocket. It carries six commercial payloads. It also appears the company decided to go for an easier landing site on this second mission. Rather than try to land inside a crater, it is targeting a very large and flat mare region, thus reducing the challenges presented to its autonomous software.

Ispace already has contracts both with NASA ($55 million) and Japan’s JAXA space agency ($80 million) for two more future landers, so a successful landing this time is critical to the company’s future.

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FAA attempts to justify its red tape

10:06 am

The FAA today responded to SpaceX’s harsh criticism of the licensing process that is delaying the next test orbital launch of Starship/Superheavy, claiming the delays were entirely SpaceX’s fault for changing the flight profile of the mission, likely involving the landing of Superheavy at the launch tower rather than in the Gulf of Mexico.

The agency also claimed that this change meant that the “environmental impact” would cover a wider area, requiring imput from “other agencies.”

An FAA official reiteriated these claims at a conference yesterday, stating that the delay was “largely set by the choices that the company makes.”

All crap and utter rationalizations. The FAA has decided that any change of any kind in the launch operations will now require major review, including bringing in Fish & Wildlife, the Coast Guard, and others to have their say. This policy however has nothing to do with reality, as there is absolutely no additional threat to the environment by these changes. Nor is there any significant increase in safety risks by having Superheavy land at Boca Chica. Even if there were, the only ones qualified to determine that risk are engineers at SpaceX. The FAA is merely rubberstamping SpaceX’s conclusions, and taking its time doing so.

This is America today. Unless something changes soon, freedom is dead. To do anything new and challenging Americans will have to beg permission from bureaucrats in Washington, who know nothing but love to exert their power over everyone else. Under these circumstances, we shall see the end of a great and free nation.

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SpaceX launches AST SpaceMobile’s first five operational cellphone satellites

9:45 am

SpaceX this morning successfully launched the first five operational satellites in the planned constellation by the company AST SpaceMobile’s for providing cellphone service from orbiting satellites, the Falcon 9 rocket lifting off from Cape Canaveral.

The first stage completed its thirteenth flight, landing back at Cape Canaveral.

AST’s orbital cellphone capability is in direct competition with SpaceX’s own Starlink orbital cellphone service. By launching this competitor SpaceX demonstrates that it is not using its dominance in the launch industry to squelch competition.

The leaders in the 2024 launch race:

90 SpaceX
38 China
10 Rocket Lab
10 Russia

American private enterprise now leads the rest of the world combined in successful launches 105 to 58, while SpaceX by itself leads the entire world, including American companies, 90 to 73.

One comment

Two astronauts on commercial Polaris Dawn manned mission complete spacewalk

9:37 am

Jared Isaacman during his spacewalk
Jared Isaacman during his spacewalk

Jared Isaacman and Sarah Gillis this morning each successfully completed short spacewalks outside their Resilience capsule, exiting about halfway into space but floating free except for a umbilical tether.

It was very evident that the goal of both EVAs was to check out the engineering upgrades created by SpaceX to make this spacewalk possible. Both astronauts worked very carefully to vent the capsule’s atmosphere, open the hatch, exit, then close the hatch, though Isaacman (who exited first) opened the hatch and Gillis closed the hatch. All in all it took a little less then two hours to complete both spacewalks, with Isaacman outside for about ten minutes, and Gillis for a little less.

Though the actual EVAs were relatively unambitious, they were very comparable to the first government spacewalks by America’s Ed White and Russia’s Alexei Leonov in the 1960s. The engineering data that SpaceX obtained from this spacewalk will allow it to refine its spacesuits, its capsule, and make later commercial spacewalks more complex.

This new SpaceX capability is now something the company can market to other future customers. It not only gives this American private enterprise another skill, it makes SpaceX’s commercial capabilities more valuable.

22 comments

September 11, 2024 Quick space links

3:28 pm

As BtB’s stringer Jay is on a work trip this week, reader Gary volunteered to send me some links. 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.

 

 

 

 

6 comments

A new study, commissioned by NASA, endorses giving NASA more power and money, even as NASA becomes more irrelevant

2:32 pm

NASA logo
It’s all about power and control.

Surprise, surprise! A just released report from the National Academies and paid for by NASA has concluded that the agency suffers from insufficient political and financial support, and that the agency’s recent shift to relying on private enterprise should be de-emphasized in order to grow NASA instead.

Two quotes from the report’s executive summary tells us everything we really need to know about its purpose and political goals:

NASA’s shift to milestone-based purchase-of-service contracts for first-of-a-kind, low-technology-readiness-level mission work can, if misused, erode the agency’s in-house capabilities, degrade the agency’s ability to provide creative and experienced insight and oversight of programs, and put the agency and the United States at increased risk of program failure.

In plain English, NASA’s transition to relying on the private sector for the development of rockets, spacecraft, and even planetary missions “erodes” the ability of the agency to grow. That those private companies are actually building and launching things and doing so for far less money, compared to NASA’s half century of relatively little achievement since the 1960s while spending billions, is something the report finds utterly irrelevant. If anything, that success by the private sector should recommend that NASA should shrink, not grow.

The second quote from this NASA-commissioned report underlines its effort to lobby for NASA:
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A map of Io’s hot spots based on Juno data

1:12 pm

The hot spots on Io
Click for original image.

The uncertainty of science: Using the JIRAM infrared camera on the Jupiter orbiter Juno, scientists have now created a global map of volcanic activity, showing where it appears the hottest and greatest activity is located.

That data is illustrated by the graphic to the right, taken from figure 1 of the paper. The top row shows the coverage of the planet, with Io’s southern hemisphere getting the fewest observations. The bottom row shows the observed regions with the greatest heat. This quote from the abstract is most revealing:

Using JIRAM, we have mapped where volcanoes are producing the most power and compared that to where we expect higher heat flow from the interior models. Our map doesn’t agree with any of these models very well. JIRAM observed more volcanic activity at the poles than we expected to see based on previous observations. However, since the south pole was only observed twice, it’s possible that these observations don’t represent the average volcanic activity of the south pole. Very bright volcanoes that may have been continuously active for decades were also imaged during these Juno fly-bys, some of which are nearer the poles than the equator.

The conflict between the data and the theories could very well be explained simply by the short term nature of these observations. The models could very well be right, over centuries. For example, the new volcano discovered by Juno is near the equator, suggesting with time those models will turn out to be correct.

Or not. A lot more observations will have to be made of Io before any model of its volcanic activity can be considered trustworthy.

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Juno discovers new volcano on Io

10:24 am

New volcano on Io
Click for original image.

By comparing images taken twenty-seven years apart by the the Jupiter orbiters Galileo and Juno, scientists have discovered that during that time a new volcano appeared on the volcano-strewn Jupiter moon Io.

The two pictures to the right show the surface change on Io during those 27 years.

Analysis of the first close-up images of Io in over 25 years, captured by the JunoCam instrument on NASA’s Juno mission, reveal the emergence of a fresh volcano with multiple lava flows and volcanic deposits covering an area about 180 kilometres by 180 kilometres. The findings have been presented at the Europlanet Science Congress (EPSC) in Berlin this week.

The new volcano is located just south of Io’s equator. Although Io is covered with active volcanoes, images taken during NASA’s Galileo mission in 1997 did not see a volcano is in this particular region – just a featureless surface.

If anything, it has been somewhat surprising how little change the new Juno images have found on Io’s surface, considering its intensely active volcanic geology, with volcano plumes from eruptions captured in images repeatedly. Some volcanoes have shown change, but new features such as this new volcano have not previously been identified.

At the same time, the amount of high resolution imagery of the planet’s surface has been somewhat limited. Galileo sent back far fewer pictures than planned because its main antenna never deployed, and Juno had only a handful of close fly-bys. It will take a mission dedicated to studying Io to better map its violent surface.

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