Another two launches by SpaceX and China

10:01 am

There were two more launches last night and today. First, SpaceX put another 24 Starlink satellites into orbit, its Falcon 9 rocket lifting off from Vandenberg in California. The first stage completed its 19th flight, landing on a drone ship in the Pacific.

Next, China today successfully launched another five satellites in its planned Guiwang (“king”) internet constellation of 13,000 satellites, its Long March 6 rocket lifting off from its Taiyuan spaceport in northern China. No word on where the rocket’s lower stages crashed inside China.

This launch brought the total number of operational satellites in orbit for this constellation to 39, all launched since December 2024. At this pace it will take many years for China to complete this constellation, though it likely can begin selling the service in China with an incomplete constellation. Its international licence requires it to launch 10% by 2029 and 50% by 2032.

The leaders in the 2025 launch race:

93 SpaceX
38 China
10 Rocket Lab
9 Russia

SpaceX now leads the rest of the world in successful launches, 93 to 67.

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Texas Space Commission hands $5 million to proposed spaceport in the middle of Texas

12:21 pm

US and Mexico
Click for source.

In what can only be seen by anyone with any objectivity as a political payoff that has no chance of ever producing anything worthwhile, the Texas Space Commission (TSC) has given the Midland International Air and Space Port a $5 million grant to develop its proposed spaceport for vertical rockets in the middle of west Texas.

The spaceport is one of three facilities — along with ILC Aerospace in Houston and SylLab Systems in Plano — that received grant funding as part of the Space Exploration and Aeronautics Research Fund (SEARF). The SEARF provides funding to eligible companies, including government entities that the TSC is partnered with, to fund such purposes as technology development, research, workforce training, curation of materials and development of infrastructure. In its history, the SEARF fund has provided $126 million worth of grant money to 22 different projects.

…Although requested and managed by the city of Midland, the vertical launch site will be in Balmorhea in Reeves County, around the same site as the International Rocket Engineering Competition earlier this summer. The area can currently support suborbital rocket launches, but the vertical launch site is expected to support orbital flight, which will complement their horizontal launch system and high speed corridor for hypersonic flight.

The map to the right shows the location of Midland and Balmorhea. As you can see, this site makes no sense for vertical rocket launches, unless every rocket launched from the site is completely reusable. Even then, it faces major political hurdles to get permission to fly rockets over all the neighboring communities and states. The FAA would certainly have doubts.

In other words, this $5 million grant is a nice pay-off from one government agency to another, with its only purpose to spread some graft around.

That the Hearst-owned Midland Reporter-Telegram news article at the link recognizes none of this, and simply and naively spouts the propaganda put forth by government officials, once again illustrates the bankruptcy of our so-called “mainstream” press.

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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 or any other book seller. If you want an autographed copy the price is $60 for the hardback and $45 for the paperback, plus $8 shipping for each. Go here for purchasing details. 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

One of NASA’s two Tracers satellites just launched has an issue

10:17 am

During the commissioning phase shortly after their launch earlier this week, one of NASA’s two Tracers satellites designed to study the solar wind and its interaction with the Earth’s magnetic field has had an as yet unnamed issue.

During the commissioning process, the team made routine adjustments to the power subsystem on both vehicles. While the adjustments achieved the desired results on one satellite, the other satellite requires further investigation by the team. Commissioning operations are temporarily paused while the team analyzes the situation and determines the appropriate response.

Though the press release provides no other information, it appears the satellite is having a problem producing the power expected.

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NASA’s work force is shrinking by about 4,000

10:11 am

The number of NASA employees that have accepted the Trump offer to leave has now grown to more than 4,000 people, reducing the entire workforce from 18,000 to 14,000.

Nearly 4,000 employees, or more than 20% of NASA’s workforce, have applied to leave the agency, NASA confirmed to CBS News Friday. About 3,870 employees have applied to depart NASA over two rounds through the Trump administration’s deferred resignation program, NASA disclosed. The deadline for applications to the program is midnight Friday.

With those deferred resignations, NASA’s civil servant workforce would shrink from about 18,000 to 14,000 personnel. This figure also includes about 500 employees who were lost through normal attrition, the agency said.

It is certain that while Trump is office these workers will not be replaced. While most of the press and pro-government activists will claim this is terrible news, it is actually the best thing that can happen. Since NASA is now trying to use the capitalism model across the board, it doesn’t need that many employees. It is hiring the private sector to do most of its work. It doesn’t take that many people to review and issue a contract.

So, even if Congress rejects Trump’s proposed 24% cut to NASA’s 2026 budget and funds it entirely at the same levels as in 2025, the money will be more effectively used.

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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.

Europe and SpaceX complete two launches late yesterday

10:01 am

Both Europe and SpaceX successfully completed launches in the early morning hours today.

First Arianespace, the European Space Agency’s (ESA) commercial arm, used Avio’s Vega-C rocket lifting off from French Guiana to put five satellites into orbit, including four high resolution Earth observation satellites and one climate satellite. This was only the third launch for Arianespace in 2025, two of which were of the Vega-C.

Next, SpaceX placed 28 Starlink satellites into orbit, its Falcon 9 rocket lifting off from Cape Canaveral. The first stage completed its 22nd flight, landing on a drone ship in the Atlantic.

The leaders in the 2025 launch race:

92 SpaceX
37 China
10 Rocket Lab
9 Russia

SpaceX now leads the rest of the world in successful launches, 92 to 66, with another Starlink launch scheduled for tonight.

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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

American Battlefield Trust – Famous Civil War Photos in 360°

6:01 pm

An evening pause: I just finished reading a book of letters written by a soldier who participated in the battle of Antietam, just south of Burnside Bridge. The irony was that Burnside spent more than a day and multiple attempts to capture the bridge, when in fact his troops could have simply walked across the creek at any point, never getting their legs wet above the knee. The soldier was Captain Wolcott Pascal Marsh, and his regiment actually forded the creek further south and advanced farther than almost anyone else in Burnside’s battalion. The book: Letters to a Civil War Bride.

Like all the Civil War battle fields, Antietam is definitely worth visiting.

Hat tip Cotour.

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July 25, 2025 Quick space links

2:35 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.

4 comments

Mars and its two moons seen in the infrared by Europa Clipper

10:37 am

Mars and its two moons
Click for original.

Cool image time! The infrared image to the right, cropped, reduced, and enhanced to post here, was taken by Europa Clipper on February 28, 2025 just before it flew past Mars on its way to Jupiter.

Deimos is in the upper left corner, while Phobos is close to Mars.

When the image was taken by the mission’s Europa Thermal Emission Imaging System (E-THEMIS), the spacecraft was about 560,000 miles (900,000 kilometers) from the Red Planet. The image is composed of 200 individual frames, part of a continuous scan of 1,100 frames taken roughly a second apart over a period of 20 minutes. Scientists are using the tiny, point-like images of the moons to check the camera’s focus.

As this is an infrared image (measuring heat), it shows Mars’ northern polar cap as the dark oval at the top of the planet. The bright (and thus warmer) oval to the lower left is the shield volcano Elysium Mons.

This data suggests Europa Clipper’s thermal instrument is working as intended, which is essential for observing the ice content (if any) on Europa once it enters Jupiter orbit in 2030.

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The journal Science retracts 15-year-old paper that proposed arsenic as basic element of life

10:15 am

The death of science: Though numerous later research had rejected the conclusions of a 2010 research paper that had suggested a bacteria found at Mono Lake in Californa was using arsenic instead of phosphorus in its DNA, the journal Science that published that paper has now retracted it.

In a blog post accompanying this week’s retraction notice, Science’s current Editor-in-Chief Holden Thorp and Valda Vinson, executive editor of the Science family of journals, emphasize there is no suggestion of foul play in the GFAJ-1 paper. Instead, pointing to subsequent commentary and research that suggest some of the paper’s findings stem from contamination, not arsenic use by bacteria, they write: “Science believes that the key conclusion of the paper is based on flawed data.”

Speaking with Science’s News team, which operates independently from its research arm, study co-author and Arizona State University geochemist Ariel Anbar says the team disputes that assessment and has already addressed the referenced criticisms. “We stand by the data,” he adds.

Anbar added this in this report at Nature:

By contrast, one of the paper’s authors, Ariel Anbar, a geochemist at Arizona State University in Tempe, says that there are no mistakes in the paper’s data. He says that the data could be interpreted in a number of ways, but “you don’t retract because of a dispute about data interpretation”. If that’s the standard you were to apply, he says, “you’d have to retract half the literature”.

This action underlines the decline in open-mindedness in the academic field. It did not suffice to simply demonstrate in later papers that the paper’s conclusions were questionable. It was necessary to cancel it entirely, to airbrush it from history.

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Dassault lobbies ESA to fund its Vortex reusable mini-shuttle

9:51 am

Dassault's proposed Vortex mini-shuttle
Dassault’s proposed Vortex mini-shuttle. Click for original.

The French aerospace company Dassault is now lobbying the European Space Agency to help finance its proposed Vortex reusable mini-shuttle, comparable in concept to Sierra Space’s Dream Chaser spacecraft.

The company had first announced this project in June.

While the June announcement included few details, a 25 June hearing of the French National Assembly’s Committee on National Defence and the Armed Forces revealed that the mission is expected to be launched in 2027 aboard a Rocket Lab Electron rocket. The hearing also disclosed that the demonstration mission has a total budget of €70 million, with Dassault providing more than half of the funding and the remainder coming from the French government.

Dassault is now attempting to get more funding from ESA. In June it had signed an agreement with ESA to partner on building a demonstrator, but it was not clear that agreement included funding. It certainly did not include funding for the full scale operational mini-shuttle.

Overall, the structure of funding and the design of the project is good, and demonstrates again Europe’s sharp shift to the capitalism model in the past two years. Dassault will design, build, and (most importantly) own the shuttle, allowing it to market it to many customers. It is also committing a significant amount of its own funds to the project. The funding from France and possibly ESA appears mostly that of a customer buying the services of this product from the company.

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Starlink went down for almost 3 hours yesterday

9:31 am

In what is a rare event, SpaceX’s Starlink satellite constellation was out of service yesterday for about 2.5 hours “due to failure of key internal software services that operate the core network.”

Starlink experienced an outage Thursday afternoon that went on for 2.5 hours and took down at least tens of thousands of people’s satellite internet service. “Starlink is currently in a network outage and we are actively implementing a solution. We appreciate your patience, we’ll share an update once this issue is resolved,” Starlink posted on X at 1:05 p.m. PT/4:05 p.m. ET.

Though Starlink has yet to confirm that services are fully up and running again, Downdetector showed reports of issues had dropped to just 1,600 as of 4:30 p.m PT after they’d spiked to around 60,000 at about 1 p.m. PT

CNBC incorrectly tried to pin this internet outage to the start yesterday of T-Mobile’s new cellphone-to-Starlink text and emergency subscription, but that makes no sense, since the two use different Starlink satellites.

Since the constellation began offering customers its service several years ago the number of such global outages has been very rare. If anything, Starlink has been far more reliable than almost all comparable land line internet services.

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