Space Force awards multi-satellite contracts to Lockheed Martin and Northrop Grumman

9:26 am

Capitalism in space: In what is a landmark deal indicating the complete shift by the military from building its own satellites to letting private enterprise do it, the Space Development Agency (SDA) of the Space Force yesterday announced it has awarded Lockeheed Martin and Northrop Grumman each a contract to build and operate 36 satellites.

The 72 satellites will make up a portion of SDA’s network known as Tranche 2 Transport Layer. SDA is building a large constellation called the proliferated warfighter space architecture that includes a Transport Layer of interconnected communications satellites and a Tracking Layer of missile-detection and warning sensor satellites. Northrop Grumman’s contract for 36 satellites is worth approximately $733 million. The agreement with Lockheed Martin, also for 36 satellites, is worth $816 million, SDA said.

What makes this contract different than previous military satellite contracts is that the military will do relatively little design. It has released the basic specifications, and is asking private enterprise to do the work for it. It is a customer, not a builder. When the military attempted its own design and construction, the job would take sometimes a decade or more, cost many billions (with cost overruns), and often failed. This new constellation is targeting a 2026 launch, only two years from now.

The constellation will also be more robust than the gold-plated giant satellites the military would build previously. Rather than rely on a single do-it-all satellite which is easy to take out, the constellation has many satellites, and can easily compensate if one or even a few are damaged or destroyed.

This shift was one of the fundamental reasons the military wanted to create a separate Space Force. As part of the Air Force the office politics within that branch of the military had been impossible to make this shift. Too many managers in the Air Force liked building big gold-plated satellites. Once the Space Force took over those managers were taken out of the equation.

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Russian engineers pinpoint approximate crash site of Luna-25

9:07 am

Russian engineers have pinpointed the approximate crash site of Luna-25 on the Moon as the 42-mile-wide crater Pontecoulant G, located at about 59 degrees south latitude, 66 east longitude.

Researchers from the Russian Academy of Sciences’ Keldysh Institute of Applied Mathematics have simulated the trajectory of the Luna-25 mission, figuring out where and when it crashed into the moon’s surface, the institute said in a statement on Telegram. “The mathematical modeling of the trajectory of the Luna-25 spacecraft, carried out by experts from the Ballistic Center of the Russian Academy of Sciences’ Keldysh Institute of Applied Mathematics, made it possible to determine the time and place of its collision with the moon,” the statement reads.

According to the institute, the spacecraft fell into the 42-kilometer Pontecoulant G crater in the southern hemisphere of the moon at 2:58 p.m. Moscow time on August 19.

The planned landing site, in Boguslawsky Crater at 73 degrees south latitude and 43 degrees east longitude, was many miles away.

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Genesis cover

On Christmas Eve 1968 three Americans became the first humans to visit another world. What they did to celebrate was unexpected and profound, and will be remembered throughout all human history. Genesis: the Story of Apollo 8, Robert Zimmerman's classic history of humanity's first journey to another world, tells that story, and it is now available as both an ebook and an audiobook, both with a foreword by Valerie Anders and a new introduction by Robert Zimmerman.

 

The print edition can be purchased at Amazon, any other book seller, or direct from my ebook publisher, ebookit. The ebook is available everywhere for $5.99 (before discount) at amazon, or direct from my ebook publisher, ebookit you don't support the big tech companies and the author gets a bigger cut much sooner.


The audiobook is also available at all these vendors, and is also free with a 30-day trial membership to Audible.
 

"Not simply about one mission, [Genesis] is also the history of America's quest for the moon... Zimmerman has done a masterful job of tying disparate events together into a solid account of one of America's greatest human triumphs."--San Antonio Express-News

SpaceX launches 21 Starlink satellites using Falcon 9

8:50 am

Using a Falcon 9 rocket with a first stage making its 15th flight, SpaceX early this morning launched 21 Starlink satellites, lifting off from Vandenberg in California.

The first stage landed successfully on a drone ship in the Pacific. SpaceX now has two first stages that have flown 16 times, and one that has flown 15 times. Those 47 flights like reduced the launch cost of those launches by about 70%. Since no other rocket company can do this, SpaceX can pocket the profits since it isn’t forced to lower prices as much as it would if it had some real competition.

The leaders in the 2023 launch race:

57 SpaceX
36 China
11 Russia
6 Rocket Lab
6 India

In the national rankings, American private enterprise now leads China in successful launches 65 to 36. It also leads the entire world combined, 65 to 58. SpaceX by itself remains in a neck-in-neck race with the rest of the world (excluding American companies), trailing 57 to 58 in successful launches.

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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.

On the radio tomorrow, twice!

5:35 pm

I have two long radio appearances tomorrow, for those who prefer the audio format.

First, the second part of the long interview I did with Robert Pratt will be aired on Pratt on Texas at 5pm (Central). You can listen to the live stream here. The topic was blacklisting and the ugly desire of the left in the U.S. to silence debate and squelch its opposition through the use of force.

Second, I will make another appearance on the Space Show with David Livingston. The show will begin at 7 pm (Pacific), and will almost certainly last more than the planned 90 minutes. The live stream can be found here. Please consider calling in with your questions and comments. They are truly appreciated, and help make for a more lively show.

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August 21, 2023 Quick space links

4:33 pm

Courtesy of BtB’s stringer Jay.

 

 

 

  • Falcon 9 rocket with Endurance manned capsule rolled to launchpad

    • The launch is scheduled for 3:49 am (Eastern) on August 25, 2023. It is the first in SpaceX’s extended contract with NASA, and is likely one that either Boeing would have gotten or would have split with SpaceX if Starliner was flying. No Starliner, and SpaceX gets all the money.

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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

It is time to devalue the software research of climate models

1:29 pm

When the table of contents of the most recent issue of the American Geophysical Union’s (AGU) Geophysical Research Letters was released on August 16, 2023, I could not help noticing it contained a string of papers repeatedly showing that the models used to prove the coming fire of global warming continue to remain untrustworthy and unreliable. All of the following papers indicated biases and uncertainties of both climate models as well as the data they used, and each did so in their titles:

All of these papers considered the models valid for future research, and were instead focused on refining and increasing the accuracy of the models. All however showed once again how little we should trust these models.

What makes the publication of these papers significant is that it was the AGU that published them, even though the AGU has a decidedly biased editorial policy in favor of global warming. Despite the AGU’s insistence that “realistic and continually improving computer simulations of the global climate predict that global temperatures will continue to rise as a result of past and future greenhouse gas emissions,” it still cannot avoid publishing papers that repeatedly disprove that conclusion.
» Read more

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Axiom raises $350 million in private investment capital

11:53 am

Axiom's space station assembly sequence
The assembly sequence for Axiom’s space station while attached to ISS.
Click for original image.

Axiom announced today that in its most recent round of funding it raised an additional $350 million in private investment capital, almost tripling the private capital it has obtained in total.

Axiom Space announced today that it secured $350 million in its Series-C round of growth funding, lifting the total funds raised to over $505 million from investors and achieving more than $2.2 billion in customer contracts.

To date, Aljazira Capital and Boryung Co., Ltd., have anchored the round, paired with support from an array of diverse backers that include deep-tech venture capital funds and strategic brand partners, positioning Axiom Space as second to SpaceX for the most amount of money raised by a private space company in 2023, based on available pitchbook data.

The press release also reaffirms the company’s planned schedule for its space station project, with the first module launching and attaching to ISS in 2026. The graphic shows the assembly sequence, with the rear docking port the one linked to ISS. When assembly reaches the stage of the fourth image it will then be able to separate from ISS and fly independently in 2031. That last number however is one year later than NASA’s previous predictions for the retirement of ISS, suggesting Axiom knows something NASA has not yet told us.

Hat tip to Jay, BtB’s stringer.

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A Martian wedding cake surrounded by brain terrain

11:24 am

Brain terrain surrounding a Martian wedding cake
Click for original image.

Of all many cool images I’ve posted, today might take the cake (pun intended) for the best illustration of the alien nature of Mars. The picture to the right, cropped, reduced, and sharpened to post here, was taken on June 28, 2023 by the high resolution camera on Mars Reconnaissance Orbiter (MRO), and shows what the scientists simply label as “flow features.”

I personally don’t see any obvious flow features in the full image, unless one wants to call the brain terrain that covers this entire plain a flow feature. Brain terrain is a feature unique to Mars whose origin remains a mystery to geologists. As noted by scientists in captioned MRO image in 2019:

You are staring at one of the unsolved mysteries on Mars. This surface texture of interconnected ridges and troughs, referred to as “brain terrain” is found throughout the mid-latitude regions of Mars.

…This bizarrely textured terrain may be directly related to the water-ice that lies beneath the surface. One hypothesis is that when the buried water-ice sublimates (changes from a solid to a gas), it forms the troughs in the ice. The formation of these features might be an active process that is slowly occurring since HiRISE [MRO’s high resolution camera] has yet to detect significant changes in these terrains.

The wedding cake inside the small crater to the upper right only adds to the alienness of this terrain.
» Read more

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Watch the landing attempt of Chandrayaan-3’s Vikram lander on August 23, 2023

9:39 am


Click for interactive map.

After separating from its Chandrayaan-3 propulsion module on August 17, 2023, India’s Vikram lunar lander has been slowly making orbital adjustments in preparation for its landing attempt on August 23rd.

I have embedded the live stream of that landing attempt below. As it is scheduled for 6:04 pm (India time), in India, in the U.S. that landing will occur in the early morning hours of August 23rd.

Following the failed crash on the Moon of Russia’s lunar lander Luna-25 yesterday, this landing attempt is likely to garner a lot more interest. It is also India’s second attempt, having failed in 2019 when its Vikram lander ran out of fuel before landing and crashed.
» Read more

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China’s Long March 4C rocket places Earth observation satellite into orbit

9:14 am

China yesterday used its Long March 4C rocket to put what that country’s state-run press calls an “Earth observation satellite” into orbit, lifting off from the Jiuquan spaceport in the interior.

No word on whether the rocket’s first stage crash landed near habitable areas, as China’s disposable first stages often do.

The leaders in the 2023 launch race:

56 SpaceX
36 China
11 Russia
6 Rocket Lab
6 India

American private enterprise still leads China in successful launches 64 to 36 in the national rankings, while the entire world combined 64 to 58. SpaceX alone now trails the entire world (excluding American companies) 56 to 58.

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Luna-25 lost after crashing on Moon

9:37 am

During its last major orbital burn, Luna-25’s engines apparently fired for longer than planned so that, instead of placing it into a lower orbit, the spacecraft was de-orbited and sent crashing onto the lunar surface.

The Russian space agency noted that all measures regarding the location of the spacecraft and establishing communications with it on August 19 and 20 yielded zero results. “Preliminary analysis results suggest that a deviation between the actual and calculated parameters of the propulsion maneuver led the Luna-25 spacecraft to enter an undesignated orbit and it ceased to exist following a collision with the surface of the Moon,” Roscosmos stated.

This is a tragedy for Russia, as this mission hoped to re-establish it as one of the major players in the exploration of the solar system. Instead, we once again have a data point suggesting significant quality control problems within Russia’s aerospace industry. Its misplaced focus on providing government jobs rather than actually building and quickly flying spacecraft and rockets results too often in failure.

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Luna-25 fails to enter orbit for landing on Moon

12:23 pm

Though it is in lunar orbit, Russia’s Luna-25 lander today was unable to perform an engine burn as planned to place it in its final orbit for landing.

“Today, in accordance with the flight program of the Luna-25 probe, at 2:10 p.m. Moscow time, a command was issued to the probe to enter the pre-landing orbit. During the operation an emergency occurred on the space probe that did not allow it to perform the maneuver in accordance with the required parameters,” Roscosmos said.

Engineers are analyzing the issue, but no other information was released.

This issue could simply be the spacecraft’s computer aborted the engine burn because it sensed something not right, and that after some correction another burn can follow later. Under this circumstance the landing attempt would simply be delayed.

It is also possible something happened during that engine burn, and the spacecraft is either in an incorrect orbit, or might even be lost entirely. Stay tuned.

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Hacker attack on Gemini North telescope in Hawaii shuts down many U.S.-run telescopes

9:34 am

A attack by hackers against the Gemini North telescope in Hawaii on August 1, 2023 has forced the National Science Foundation (NSF) to shut down all the telescopes it operates.

NOIRLab, the NSF-run coordinating center for ground-based astronomy, first announced the detection of an apparent cyberattack on its Gemini North telescope in Hilo, Hawaii, in a 1 August press release. Whatever happened may have placed the instrument in physical jeopardy. “Quick reactions by the NOIRLab cyber security team and observing teams prevented damage to the observatory,” the center’s release said.

In response to the incident, NOIRLab powered down all operations at the International Gemini Observatory, which runs the Hilo telescope and its twin, Gemini South, on Cerro Pachón mountain in Chile. (The latter was already offline for a planned outage.) Together, the two 8.1-meter telescopes have revealed vast swaths of celestial wonders—from the birth of supernovae to the closest known black hole to Earth.

Normally, NOIRLab’s computer systems let astronomers remotely operate a variety of other optical ground-based telescopes. But on 9 August the center announced it had also disconnected its computer network from the Mid-Scale Observatories (MSO) network on Cerro Tololo and Cerro Pachon in Chile. This action additionally made remote observations impossible at the Víctor M. Blanco 4-meter and SOAR telescopes. NOIRLab has stopped observations at eight other affiliated telescopes in Chile as well.

The attack has shut down ten telescopes entirely, some of which are the largest in the world, while other telescopes are operating but only allowing in-person operations.

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Movies when our culture was not run by barbarians

2:58 pm

Today’s essay will in a sense be part two of an essay I wrote earlier this week, entitled “We are becoming a nation of barbarians”. Then, I tried to show the decay in the western civilization by describing the accepted — almost encouraged — crudeness of modern language. While public cursing could easily be consider only a small and trivial issue, I think the increased use of obscene language in normal discourse is equivalent to the “broken windows theory” of psychology, which posits that minor visible signs of disorder and misbehavior encourage further and worse disorder and misbehavior, eventually leading to collapse.

Today I’d like to instead give some examples of the much more civilized nature of popular entertainment from only a half century ago, in order to contrast this with the present. To do this I will cite just four movie examples, and challenge everyone today who is a passionate fan of modern films to watch them (all of which are available for free on the internet) and recognize the differences that I will describe. If you like movies, you will enjoy the experience, but I warn you, modern popular entertainment films do not compare well with these mid-twentieth century pop movies.
» Read more

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Mars’ endless cycles of glacial activity

10:46 am

Overview map

Mars' endless cycles of glacial activity
Click for original image.

While the images being sent to us from Mars Reconnaissance Orbiter (MRO) repeatedly show features that appear convincingly like glaciers, the data is also beginning to tantalize us with evidence of the endless glacial cycles that have occurred on Mars.

The picture to the right, cropped, reduced, and sharpened to post here, was taken on June 27, 2023 by MRO’s high resolution camera. The red dot in the inset of the overview map above shows the location, the western flanks of an apron that surrounds a 3,800-foot-high mesa in the chaos region Deuteronilus Mensae, the western end of the 2,000-mile-long mid-latitude strip of chaos regions I dub glacier country, because every image seems to show some form of glacial feature.

Today’s picture is no different. The apron shown here drops the last 1,000 feet of the mesa’s total 3,800-foot height, during which it shows dozens of what the scientists label “parallel lines.” These lines likely reveal the layers of glacial ice in this apron, with the older layers larger and more extensive. Apparently, with each growth cycle the glacier obtained less snow from the atmosphere, so the more recent layers grew less.

In other words, the amount of water on Mars has been declining with time.

Untangling these numerous layers will undoubtedly give us a remarkably detailed history of Mars entire geological history. Unfortunately, that untangling cannot happen until we have boots on the ground, on Mars, able to drill core samples from many different places.

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Regulatory problems for Saxavord spaceport in Shetland?

9:53 am

In a short statement reported in the local Shetland press, the under-construction Saxavord spaceport in Scotland has apparently laid off some construction workers, claiming it has done so “because the project was so far ahead of schedule.”

The statement however also alluded to the United Kingdom’s Civil Aviation Authority (CAA), which must issue a launch license before any launches can occur.

SaxaVord Spaceport said: “SaxaVord continues to have excellent dialogue with the authorities and is fully expecting to receiving its spaceport licence very soon from the Civil Aviation Authority. We are looking forward to hosting vertical rocket launches in the coming months.”

The application for this launch license was submitted in November 2022. It appears that the CAA still needs a year or more to approve any launch license, a slow and endless process that if not corrected will make launches from the United Kingdom completely unprofitable.

Saxavord had hoped to get its first launch off this year, by fall. It now appears that will not happen.

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Commercial spaceport in Australia signs its first launch contract

9:42 am

Australia map showing ELA spaceport location
The red dot marks ELA’s location, on the north coast of Australia.

Australia’s first commercial spaceport, Equatorial Launch Australia (ELA), has signed a multi-launch contract with a South Korean startup rocket company, Innospace, with the first launch targeting April 2025.

Though Innospace successfully launched a suborbital test flight in March, it has not yet launched a rocket to orbit. Meanwhile, ELA is negotiating with a number of other rocket companies, but it also appears it is having problems with the administrative state in the U.S.

The South Korean company is first off the blocks as it is not subject to the strict technological transfer regulations applied by the United States.

[ELA’s CEO Michael] Jones says delays to the signing of a Technological Safeguards Agreement (TSA) between Canberra and Washington is holding up several potential US customers. “We’re still waiting with bated breath for the TSA, despite a bilateral announcement by Biden and Albanese in Japan in early June that the deal was done and dusted,” he explains. “We were all expecting it to be released by the end of the financial year and the process of being endorsed by Parliament begun”.

A pattern of delay and intransigence in Washington, blocking commercial space, does seem to be developing since Joe Biden took over as president.

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Luna-25 takes first image of lunar surface

9:07 am

Luna-25's first lunar image
Click for interactive map. Zeeman is located on the lower left.

Russia’s state-run press today issued the first picture taken by Luna-25 after entering lunar orbit two days ago. That picture, to the right and cropped and reoriented to post here, shows part of Zeeman Crater at 75 degrees south latitude and 135 degrees west, on the far side of the Moon. From the TASS announcement:

“The Luna-25 spacecraft, flying in a circular orbit as the Moon’s artificial satellite, has taken pictures of the lunar surface with television cameras of the STS-L system. The image, taken today at 08:23 Moscow time, shows the southern polar crater Zeeman on the far side of the Moon. The coordinates of the crater center are 75 degrees south and 135 degrees west,” the state corporation said. Roscosmos said the Zeeman crater is of great interest to researchers. Its rim rises eight kilometers above its relatively flat floor.

The picture shows Zeeman’s southern rim to the left, with its pockmarked crater floor to the right. The crater the lander is targeting, Broguslawsky Crater, sits in the opposite hemisphere of Zeeman, slightly closer to the south pole but on the Moon’s near side.

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August 17, 2023 Zimmerman/Pratt on Texas podcast

8:10 pm

I appeared today for about 45 minutes with Robert Pratt as part of his Pratt on Texas podcast, discussing a whole range of blacklists stories with him. We also talked about my most recent book, Conscious Choice, which if you are a fan of my work and have not yet read it you need to buy it now! No more delays or procrastination! You have your orders.

This is part one of a two part interview, the second half of which Pratt plans to post this coming week.

That podcast is embedded below. It can also be listened to here.
» Read more

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August 17, 2023 Quick space links

4:57 pm

Courtesy of BtB’s stringer Jay.

  • New images of the floor of Blue Origin’s BE4 rocket engine production facility in Alabama

    • Jay sent me a video of this same production facility in April. Compare the visuals in that video at around 42 seconds with today’s image. That nozzle on the platform appears to be the same nozzle in both shots, unmoved in four months. Moreover, the floor seems as inactive now as then. If I was ULA this data would make me very very worried about getting the engines I need for Vulcan on the scheduled required.

 

 

  • SpaceX lifted nearly 10 times as much mass to orbit as China in the second quarter 2023

    • The graph illustrates how false the notion has always been that you must have a heavy lift rocket to get a large amount of mass to orbit. All you really need is a cost-effective and efficient reusable rocket that can launch frequently, such as the Falcon 9. Heavy lift would be nice, but if it isn’t reusable and cost effective, it just won’t do the job.

 

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Today’s blacklisted American: California city harasses Rabbi for having guests over for dinner

1:20 pm

Beverly Hills: Where Jews are forbidden to pray
Beverly Hills: Where Jews are forbidden to pray

They’re coming for you next: The headline above is literally true, though you need to know a bit about Judaism, especially Orthodox Judaism, to understand what I mean exactly.

The story is this: Because Rabbi Levi Illulian, like all Orthodox Jews, routinely invites friends and acquaintances to join his family for Friday night dinner and Saturday lunch at his home during the weekly Saturday Sabbath, officials in Beverly Hills in California sent him a “notice of violation” on June 12, 2023, telling him that these dinners must cease, and ordered him to “terminate all religious activities” that included any “non-residents.” It also threatened him with civil and criminal proceedings if he didn’t stop praying with friends in his home.

It appears that the city’s actions were instigated by the complaints of one unnamed neighbor. As described in the letter [pdf] sent by Illulian’s lawyers to the city in response to its notice of violation, after receiving those two complaints in February and March about parking, trash, and noise, the city instituted an investigation that involved stake-outs of Illulian’s home and the use of drones over his property (without a warrant) in which city officials “not only tallied the number of individuals and cars coming and going from the Home, but also photographed Rabbi Illulian’s guests.”
» Read more

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The inexplicable behavior of Martian dust devils

11:49 am

The inexpicable behavior of Martian dust devils
Click for original image.

Today’s cool image illustrates the puzzling inclination of Martian dust devils to strongly favor specific regions on the Martian surface, for reasons that at present no one can confidently explain.

The picture to the right, rotated, cropped, reduced, and sharpened to post here, was taken on June 28, 2023 by the high resolution camera on Mars Reconnaissance Orbiter (MRO). It shows a plethora of dust devil tracks, almost all of which have an east-west orientation. Moreover, the tracks seem uninfluenced by the surface topography, continuing on their path without deviation, even as they cross cliffs, craters, and mounds. The orientation tells us the direction of the prevailing winds, though I don’t know if those winds blow to the east or to the west.

What makes this image revealing is that a gathering of such dust devil tracks is seen so rarely in other MRO high resolution photographs. I look at a lot of MRO pictures, and though dust devil tracks are not rare, most images don’t show this many. Apparently, there are specific conditions on Mars that cause a lot of tracks to appear in specific locations, either because atmospheric conditions create a lot more dust devils, or the ground conditions allow the tracks to become more visible.
» Read more

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Ball Aerospace purchased by BAE Systems

9:57 am

BAE Systems today announced it has purchased from Ball Corporation its aerospace division, Ball Aerospace, for $5.6 billion.

It appears that the Ball corporation wants to focus its business plan around its “circular aluminum packaging for global beverage and household brands,” rather than aerospace. This sale essentially concludes the company’s slow transition away from its long time space business, which began just prior to Sputnik in 1956. It is essentially out of that business now, and instead has returned entirely to its packaging roots from the late 1800s.

BAE meanwhile strengthens its focus on space, both in the commercial and defense markets, with the addition of the Ball Aerospace division, which has been in the space business for decades.

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The ups and downs of capitalism in space

9:44 am

Two stories today illustrate how allowing freedom and capitalism to rule in the development of America’s aerospace industry carries with it the potential for wonderful achievements as well as depressing failures.

First the potential failure. Despite having successfully flown several missions demonstrating its orbital tug and service module for cubesats, the company Momentus has been forced to lay off 30% of its staff because of dwindling cash reserves.

Momentus reported a record quarterly revenue of $1.7 million in the second quarter, the first time it reported revenues of more than $1 million in a quarter. However, the company reported a net loss of $18.8 million and ended the quarter with $21.6 million of cash and equivalents on hand.

The company is presently scrambling to find new sources of investment capital, as it does not expect its income to grow sufficiently in the next year to keep itself above water, even though it should successfully fly more flights of its Vigoride orbital tug as well as a new service module version.

Next we have the potential achievement: The financial status of the startup satellite company Terran Orbital appears healthy and strong, mostly because of a $2.6 billion contract to build 300 satellites for the wireless communications company Rivada Space Networks. The first $180 million payment under that contract is expected this year.

At the same time, there are storm clouds in the distance, as there remain unanswered questions about whether Rivada has the resources sufficient to fulfill the contract.

During Terran Orbital’s Aug. 15 earnings call, H.C. Wainwright & Co analyst Scott Buck said Rivada’s vagueness about its plans for financing the constellation has caused “investor hesitation around the contract.”

Terran Orbital has already a number of successes building satellites for others, with its most significant achievement the CAPSTONE lunar orbiter it built for NASA. If the Rivada contract falls through I suspect the company will still be able to garner plenty of customers to survive.

For Momentus the situation is more dire, especially because it already faces strong competition from a number of other orbital tug companies.

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Scientists: Neptune’s clouds appear to ebb and grow in conjunction with sunspot cycle

9:24 am

Graph showing correlation between Neptune's clouds and the sunspot cycle

Scientists have now discovered what appears to be a link between the coming and going of clouds on Neptune to the Sun’s 11-year-long sunspot cycle, despite Neptune receiving only 1/900th the sunlight of the Earth.

To monitor the evolution of Neptune’s appearance, Chavez and her team analyzed images taken from 1994 to 2022 using Keck Observatory’s second generation Near-Infrared Camera (NIRC2) paired with its adaptive optics system (since 2002), as well as observations from Lick Observatory (2018-2019) and the Hubble Space Telescope (since 1994). In recent years the Keck Observatory observations have been complemented by images taken as part of Keck Observatory’s Twilight Observing Program and by Hubble Space Telescope images taken as part of the Outer Planet Atmospheres Legacy (OPAL) program.

The data revealed an intriguing pattern between changes in Neptune’s cloud cover and the solar cycle – the period when the Sun’s magnetic field flips every 11 years, causing levels of solar radiation to fluctuate. When the Sun emits more intense ultraviolet (UV) light, specifically the strong hydrogen Lyman-alpha emission, more clouds appear on Neptune about two years later. The team further found a positive correlation between the number of clouds and the ice giant’s brightness from the sunlight reflecting off it.

“These remarkable data give us the strongest evidence yet that Neptune’s cloud cover correlates with the Sun’s cycle,” said de Pater. “Our findings support the theory that the Sun’s UV rays, when strong enough, may be triggering a photochemical reaction that produces Neptune’s clouds.”

The graph to the right shows the correlation between the clouds and the sunspot cycle. The paper is available here.

This conclusion remains uncertain because of the overall sparseness of the data. Yet, it is intriguing, and also underlines the importance of the Sun on the Earth’s climate. If the solar cycle can impact Neptune’s climate so significantly from 2.8 billion miles away, it certainly must have a major impact on the Earth’s climate at only 100 million miles distance.

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Chandrayaan-3’s Vikram lander separates from its propulsion module; Luna-25 in lunar orbit

9:08 am


Click for interactive map.

The two probes aiming to land in the high southern latitudes of the Moon in the next week are now both in lunar orbit and preparing for their planned landings.

First India’s Chandrayaan-3: With its propulsion module having completed the job of getting Chandrayaan-3 from Earth to lunar orbit, the Vikram lander today separated from that module in preparation for firing its own engines on August 23, 2023 and landing on the Moon.

Vikram needs to make several orbital adjustments before that landing attempt.

Second, Russia’s Luna-25 probe entered lunar orbit yesterday, where it will spend the next few days making its own orbital adjustments before attempting its landing on August 21st.

Vikram carries a small rover, Pragyan. Luna-25 is only a lander, though it has a scoop and will do analysis of the lunar soil below it. Neither is landing “near the south pole”, as most news sources are saying. They are landing at latitudes comparable to landing in the Arctic on Earth, on the northern coast of Alaska. As such, neither will find out anything about the question of remnant ice in south pole’s permanently shadowed regions.

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