Author: Robert Zimmerman

A blacklisted American wins in court

3:52 pm

Gerald Groff, no longer blacklisted by the post office
Gerald Groff, no longer blacklisted by the post office

Let’s end the week on a positive note. This week the big news in connection with Americans who have been blacklisted by our leftist governments has mostly focused on the Supreme Court ruling that Colorado cannot force a Christian web designer to create websites advocating the queer agenda. That 6-3 ruling affirmed the religious rights of Americans to refuse to promote ideas they find abhorrent. It also told the fascists in the homosexual movement they are not gods who can force everyone to endorse their lifestyle.

This column is not about that victory however. Instead, I want to tout another Supreme Court victory this same week, a follow-up of a story I had posted as a blacklist column back in August 2022, describing how postal worker Gerald Groff had been forced from his job because, after years of accommodating his religious beliefs and allowing him to not work on Sunday, his new post officer supervisor suddenly decided that he no longer had the right to those religious beliefs, and instituted disciplinary actions against him that forced him to quit. As I wrote then:
» Read more

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Another layered mesa in the Cydonia region of Mars

12:16 pm

Another layered mesa in the Cydonia region of Mars
Click for original image.

Cool image time! The picture to the right, cropped, reduced, and sharpened to post here, was taken on March 22, 2023, and shows a 100-foot-high many-layered mesa in the Cydonia region of Mars.

The shadows in this picture are deceptive. The mesa’s high point is not the narrow ridge-line, but at the green dot just beyond that ridge’s northern terminus. In fact, if you were walking south from that dot and then along the crest of that ridge you would be walking downhill the entire length.

Cydonia is in the Martian northern lowland plains, in the mid-latitudes. Thus, there are many features in this picture suggesting near surface ice, such as the mounds with craters at their peak. All could be mud volcanoes as seen in many places in the northern lowland plains.
» Read more

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Curiosity tops a ridge to see its rough path forward

10:12 am

Curiosity's view ahead on June 29, 2023
Click for original image.

Overview map
Click for interactive map

After more than a month of struggle to get Curiosity to maneuver uphill through a very rocky and steep terrain, the science team today finally announced that the rover had topped the ridge and could once again see its way forward into Gediz Vallis, the slot canyon it plans to use as its route up Mount Sharp.

The panorama above, cropped, reduced, sharpened, and annotated to post here, was taken on June 29, 2023 following Curiosity’s last move forward. The yellow lines on the overview map to the right indicate the approximate area covered by this panorama. The red dotted line on both images indicates Curiosity’s planned route, with the white dotted line its actual course.

The white ridge to either side of the central peak dubbed Kukenan is actually the higher flanks of Mount Sharp. The peak of Kukenan is about a half mile away and about 400 feet higher, with those white flanks about 2.5 miles beyond. The actual peak of Mount Sharp is about 25 miles farther south and about 17,000 feet higher.

The panorama makes clear that the path forward is not going to be any less rough for Curiosity and its damaged wheels. Expect progress to be slow for many months to come.

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Africa’s space agency wants to build an empire

9:13 am

Link here. The article is quite typical of the mainstream press, blindly in love with government-run bureaucracies. It outlines in excellent detail all the real advantages that a thriving space industry could bring to Africa, some of which are already being realized by some of the continent’s more prosperous nations. It then assumes without any justification that a large bureaucratic space agency funded by many African nations will make that possible.

In 2019, the African Union (AU) announced its space strategy. Last January the African Space Agency (AfSA) was launched, a flagship to coordinate efforts and generate synergies. It already has a physical headquarters in Cairo, but for the moment most of its rooms stand empty.

Tidiane Ouattara, an expert in space sciences at the AU, expects its 156 permanent posts to be filled next year. Outtara highlights the importance of progressing “step by step” toward the consolidation of an agency with highly qualified personnel. A solid institution capable of “defending Africa’s interests” in the international arena and of negotiating with other countries who, when exploring space, “set the rules that were best suited to them,” he says. Ouattara understands that this was the case simply because “they were first,” although he adds: “The world must understand that now Africa is also on board” and has a lot to say on controversial issues such as space debris and space traffic.

While it is certainly true that this agency, once fully staffed, could advocate for Africa’s interests on the world stage, don’t expect that from it. Instead, it is simply a place where African leaders — many of whom are very corrupt — can return favors to friends by giving them a cushy job.

For most African nations, a space program makes no sense. At best each nation should establish laws that would give its private industries as much freedom and latitude to enter this market.

As for the African Space Agency, if it really wished to promote an African space industry, it should convince a consortium of African nations to team up to finance a variety of smallsat weather, Earth resource, and surveillance satellites that nations routinely need. It should then use that money to do what the UAE has done, hire experienced universities in the west to build those satellites, under the proviso that those universities also train African engineering students and companies at the same time. These students and companies can then go back to their countries and eventually do the work themselves.

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Dragon cargo freighter safely splashes down in Atlantic

8:49 am

After three months docked to ISS, one of SpaceX’s reusable Dragon cargo freighters safely splashed down today off the coast of Florida in the Atlantic.

This was SpaceX’s 28th cargo mission to ISS, all successful except for one launch failure not caused by the capsule itself, which post-failure analysis suggested that if it had been equipped to release parachutes it might have landed in the ocean undamaged.

This capsule brought back 3,600 pounds from the station, including some experiments that had been on the station for six years.

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Webb takes infrared (heat) image of Saturn

8:41 am

Saturn in infrared
Click for original image.

Using the Webb Space Telescope, scientists on June 25, 2023 took the wonderful false color infrared (heat) image of Saturn above, cropped to post here, as part of a research project [pdf] to take a number of long exposures of the ringed planet in order to test Webb’s ability to see its small moons. From the press release:

Saturn itself appears extremely dark at this infrared wavelength observed by the telescope, as methane gas absorbs almost all of the sunlight falling on the atmosphere. However, the icy rings stay relatively bright, leading to the unusual appearance of Saturn in the Webb image.

…This new image of Saturn clearly shows details within the planet’s ring system, along with several of the planet’s moons – Dione, Enceladus, and Tethys. Additional deeper exposures (not shown here) will allow the team to probe some of the planet’s fainter rings, not visible in this image, including the thin G ring and the diffuse E ring. Saturn’s rings are made up of an array of rocky and icy fragments – the particles range in size from smaller than a grain of sand to a few as large as mountains on Earth.

The picture also shows differences between Saturn’s northern and southern hemispheres, caused by the seasonal differences between the two.

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June 29, 2023 Quick space links

2:47 pm

Courtesy of BtB’s stringer Jay.

 

 

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In Pennsylvania Democratic Party politicians just proved their fascist anti-first amendment beliefs

2:20 pm

How the modern Democratic Party has evolved madly to the left
How the modern Democratic Party has evolved madly to the left

When the parental rights organization Moms for Liberty arranged to have their annual 2023 summit in the Museum of the American Revolution in Philadelphia beginning today, six Democrats from the Pennsylvania state senate immediately proved to the world that Democrats no longer believe in free speech, and in fact make their number one principle oppression and censorship, by writing a joint letter demanding the museum cancel the event.

These Democrats also proved that their method for silencing also includes routine slanders and libels, based on zero evidence. As their letter concluded:

“The museum’s leadership has demonstrated a lack of judgment in agreeing to host a hate group. Fortunately, the mistake can be fixed with a simple and elegant solution: cancel the Moms for Liberty event scheduled for June 29. We look forward to your prompt actions,”

The letter also implied Moms for Liberty was associated with white supremacy, and used as its only evidence for these slanders the fact that the leftist Southern Poverty Law Center (SPLC) decided to add Moms to its hate list, a list that has been repeatedly proven to simply rank any opponent of the Democratic Party a “hater”, essentially for opposing the Democratic Party.

The Museum rejected this dictatorial demand most heartily.
» Read more

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A new theory for making liquid water once possible on Mars

1:14 pm

In order to explain the many gullies on Mars, scientists at Brown University have now proposed a new model that says liquid water could exist periodically on the surface of Mars, caused by the cyclical changes in the planet’s rotational tilt, ranging from 11 to 60 degrees.

From editor’s summary of the paper:

Some steep slopes on Mars have gullies with morphologies suggesting that they were formed by a fluid. However, the planet’s current climate is not conducive to the melting of water ice at those locations, and mechanisms involving carbon dioxide ice do not explain the distribution of the gullies. [This paper] simulated how the climate of Mars differed when its axis tilted by different amounts over the past few million years. At a tilt of 35 degrees, the ice caps partially melted, raising the atmospheric pressure, and there were higher summer temperatures. Under these conditions, the atmospheric pressure at the gullies would be above the triple point of water, so it could melt to form a liquid.

The paper estimates these conditions last existed on Mars about 630,000 years ago, though the process repeated itself many times over the past several million years, each time causing some water ice to melt and flow down to form gullies. As the planet’s inclination then changed, conditions changed as well, producing colder temperatures at these latitudes so the water froze once again.

Though this is only a model with many uncertainties, it suggests a more reasonable explanation for the past existence of liquid surface water on Mars, temporary, periodic, and rare, than most other models. Combined with the possibility that ice glaciers themselves could have contributed to the formation of many of Mars’ riverlike channels, it seems that scientists are beginning to form a rough concept explaining how Mars evolved to what it is today.

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The icy floor of one of Mars’ most ancient craters

12:44 pm

Overview map

The icy floor of one of Mars' most ancient craters
Click for original image.

Cool image time! The picture to the right, rotated, cropped, reduced, and sharpened to post here, was taken on April 3, 2023 by the high resolution camera on Mars Reconnaissance Orbiter (MRO). It focuses on a small crater in the center of 265-mile-wide Greeley Crater, named in 2015 after the late Ron Greeley, who had been involved in almost every planetary mission from the 1960s until his passing in 2011.

Greeley Crater is intriguing because of its age, estimated to be about four billion years old, as indicated by crater counts and the crater’s heavily eroded condition.

This ancient crater, which has already been heavily eroded and filled with sediment, is difficult to make out against the Martian landscape due to its relatively shallow depth of only 1.5 kilometres – indeed, the crater rim has disappeared altogether in places.

Greeley is also intriguing by its location in the southern mid-latitudes. On the overview map above the red dot inside Greeley marks the location of today’s picture. This is a region with lots of evidence of ice and glacial features inside craters. The picture shows a small two-mile-wide crater about 500 feet deep inside Greeley. Both inside and outside the crater the surface suggests ice, either in glacial formations on the crater floor or as a soft flat plain that allows impacts to sink in without producing a rim or much ejecta.

While research has suggested a large number of glaciers in the outlined region on the western edge of the overview map, the evidence continues to build that near-surface ice exists everywhere throughout the mid-latitudes of Mars.

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King Charles III proposes his own vision for space, focused not on private enterprise but on achieving a globalist utopia

10:47 am

We’re here to help you! King Charles III yesterday announced a major space policy concept which he dubbed Astra Carta, aimed at making the leftist utopian vision the prime guidance for any future exploration or settlement of the solar system.

The statement from the Palace says the “Astra Carta aims to convene the private sector in creating and accelerating sustainable practices across the global space industry. It also recognises the unique role that space can play in creating a more sustainable future on Earth and the need for the space industry to consider environmental and sustainability impacts beyond our planet. Its ambition encourages a focus on placing sustainability at the core of space activity.”

You can read a detailed summary of Astra Carta’s goals here [pdf]. Its aims however make clear Charles’ globalist and Marxist goals, as previously outlined by his 2021 Terra Carta proposal for Earth:
» Read more

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Blue Origin negotiating with India to use its rockets and capsule for Orbital Reef space station

10:20 am

According to the head of India’s space agency ISRO, he has been in discussions with Blue Origin about using different versions of that nation’s largest rocket (dubbed LVM-3 or GSLV-Mk3 depending on configuration) and its manned capsule (still under development) for eventually ferrying crew and cargo to Blue Origin’s proposed Orbital Reef space station.

Somanath said: “We are exploring … In fact, we’ve already discussed it with Blue Origin and they are very keen to consider this option of LVM-3 becoming a crew capsule mission to service the Orbital Reef. It is a possibility and we are engaging through IN-SPACe (Indian National Space Promotion and Authorisation Centre).”

On the challenge of integrating a docking system that is compatible, he said standard docking systems are in the public domain. “…Whoever can design a docking system that matches with the US design and standard, can be used. However, we will still need to have agreements with agencies to try it out given that there are multiple interfaces — electrical, mechanical and so on. It is not just one document, we will need to work with them to develop it. We will do that.

It appears Somanath has also had discussions with NASA about also providing the same service to ISS.

An Orbital Reef deal however suggests something very disturbing about Blue Origin. The plan had been to use Blue Origin’s New Glenn orbital rocket (also still under development but years behind schedule) to launch crew and cargo capsules to the station. That in fact is supposed to be Blue Origin’s main technical contribution to the station. Why would the company then look to India for such capability, unless it recognizes that there are more problems with New Glenn that it has not revealed?

It is also possible that Jeff Bezos is simply expressing his leftwing globalist agenda with these negotiations. Or it could mean some combination of both. This situation bears watching.

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Using pulsars scientists detect background signal of the universe’s gravitational waves

10:07 am

The uncertainty of science: Using the variations in the precise radio pulses sent out by many pulsars over a fifteen year year astronomers think they have detected the background signal produced by many gravitational waves over time throughout the universe.

Astrophysicists using large radio telescopes to observe a collection of cosmic clocks in our Galaxy have found evidence for gravitational waves that oscillate with periods of years to decades, according to a set of papers published today in The Astrophysical Journal Letters. The gravitational-wave signal was observed in 15 years of data acquired by the North American Nanohertz Observatory for Gravitational Waves (NANOGrav) Physics Frontiers Center (PFC), a collaboration of more than 190 scientists from the US and Canada who use pulsars to search for gravitational waves. International collaborations using telescopes in Europe, India, Australia and China have independently reported similar results.

Imagine that each wave is a single wave on the ocean. This detection is the rough equivalent of looking at the ocean’s overall surface and measuring the general roughness of all the waves.

The press is making a big deal about this discovery. It is good science, and will over time provide valuable insights into evolution and merger of black holes, but it is not that big a deal, especially because this research carries with it many assumptions and uncertainties that good scientists recognize. They thus remain somewhat skeptical about the data. Mainstream journalists however consider gravitational waves cool, and so they hype any press release about them, sometimes to the point of absurdity.

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MOXIE instrument on Perseverance sets new record for oxygen production

9:54 am

The MOXIE instrument on Perseverance this month doubled its last record for producing oxygen from the thin Martian atmosphere of carbon dioxide.

“This was the riskiest run we’ve done,” [Michael Hecht, MOXIE’s principal investigator] told Space.com in an exclusive interview. “This could have gone wrong,” he said, and could have led to minor damage to the instrument, but it didn’t. The milestone setting Mars run took place on June 6, operating during the Martian night, and lasted 58 minutes, Hecht said.

The requirements for MOXIE were to produce 6 grams of oxygen an hour, a rate that was eventually doubled. “We rolled the dice a little bit. It was ‘hold your breath and see what happens,'” Hecht said.

Informally dubbed by Hecht and his team as “the last hurrah,” MOXIE delivered the goods on its 15th run on Mars since first gulping up Martian atmosphere within Jezero Crater on April 20, 2021.

Producing twelve grams of oxygen per hours is a very big deal. A person requires about 20 grams per hour, so this demonstration instrument has shown it can produce more than half that. Build a larger version designed to work continuously, and you easily will create enough oxygen on Mars to sustain a colony.

This means the first humans to arrive on Mars will not need to bring oxygen, only enough Moxies. More important, the oxygen supply will be infinite, putting no limit to their stay.

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Redwire gets new contract to build two more replacement solar panels for ISS

9:44 am

Redwire has gotten a new contract from NASA, through its main contractor Boeing, to build two more Roll-Out Solar Arrays (IROSA) for ISS that are being installed to replace the stations aging original solar panels.

Since 2021, a total of six Redwire-built arrays have been developed, delivered, and deployed on the ISS, augmenting its critical power supply. Each wing provides an additional 20+ kW of power once deployed, and all eight IROSA wings combined will provide more than 160 kW for over 10 years.

These roll out arrays are installed during a space walk, and then roll out on top of the old panels. They are small but more power efficient.

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Google employees (!) force the company to drop sponsorship of queer event

1:43 pm

Is free speech and debate finally possible at Google?
Is free speech and debate finally possible at Google?

Pushback? It appears that a petition signed by hundreds of Google employees has compelled the company to drop sponsorship of a queer drag queen event in San Francisco because the performer’s “provocative and inflammatory artistry is considered a direct affront to the religion, beliefs and sensitivities of Christians.”

The authors also demanded an apology from the organizers, saying they had complained to Google’s HR department – People Operations – alleging the venue violated the company’s event guidelines regarding sexually explicit activity.

When I saw this article earlier today my jaw dropped, for two reasons. First, it is astonishing that such a petition was put together by Google employees, considering that most are very leftist and strongly support the queer agenda, to the point of causing the firing of one software manager because he expressed publicly some reservations about it. You would think the mob mentality that dominates this corporate culture would cause its employees to keep quiet about their opposition to such sponsorship.

Yet, these employees put together a petition, and got hundreds to sign it. Moreover, it appears those employees faced little pushback from the leftist mob that has previously run Google.

Second, it is astonishing that Google followed through. » Read more

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Perseverance spots a doughnut-shaped rock

1:03 pm

Doughnut-shaped rock in Jezero Crater
Click for original image.

The Mars rover has spent the last few months exploring just beyond the western rim of half-mile-wide Belva crater, which sits on top of the delta that eons ago flowed into 30-mile-wide Jezero Crater. During that time the science team has been using its various cameras to study the surrounding terrain.

One of those cameras is the SuperCam Remote Micro Imager. This camera is a variation of Curiosity’s ChemCam, designed initially to look very closely at nearby objects. The Curiosity team however discovered they could also use ChemCam to look at distant objects, and in this case the Perseverance team was doing the same with SuperCam, gazing outward at more remote features.

The result was the picture to the right, cropped, reduced, brightened, and sharpened to post here. It was taken on June 23, 2023, and shows what appears to be a several-foot-wide rock with a hole in its center. According to the SETI Institute’s tweet that publicized the picture, the rock might be “a large meteorite alongside smaller pieces.”

If this was Curiosity I would be certain the science team would take the rover close to the rock. The Perseverance team however seems to have different goals, mostly centered on finding drill spots for obtaining its core samples for later return to Earth. It has not therefore been as exploratory as Curiosity. It seems to have rarely diverged from its planned route, and when it has it has not done so to look at singular features like this. We shall see what they finally decide.

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Sierra Space says first Dream Chaser will be ready for launch by December

12:41 pm

In a presentation at an investor conference on June 27, 2023, a Sierra Space official provided an update on the status of its first Dream Chaser reusable mini-shuttle, dubbed Tenacity, stating that they expect it to be ready for launch by December, with the main question whether its ULA Vulcan launch rocket will also be ready.

The launch is supposed to be the second for Vulcan, but the first launch was just delayed for an undetermined amount of time so ULA can make modifications to the rocket’s Centaur upper stage. Once Tenacity is flying Sierra has a contract with NASA for seven cargo flights to ISS, with plans beyond.

The company is also working on a second version that can carry both crew and cargo. Vice said that version will have 40% greater cargo capacity than the first version and can support a six-person crew.

The ability of Dream Chaser to glide back to Earth in a runway landing, rather than splash down in the ocean, is a key selling point to customers, he argued. “We just think that landing at runways around the world is a huge differentiator: low-g landing back on a runway for both time-critical cargo and science, but also just the way people are going to want to fly back and land.”

The official also indicated that this human-rated version is being designed to work with the private Orbital Reef space station that Sierra Space is building in partnership with other companies. The company also said it is planning its own free flying version of its Orbital Reef LIFE module that the company hopes to launch by the end of 2026, ahead of Orbital Reef. If so, that would make this the sixth independent private space station planned by American companies.

Because much of this presentation was designed to impress potential investors, we should take it with a touch of skepticism. Nonetheless, that the company is considering launching its own station, independent of the Blue Origin-led Orbital Reef station, suggests it has its own doubts about whether that project will ever take off as planned, and has thus decided to make its own contingency plans.

Hat tip to Jay, BtB’s stringer.

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Another tourist site for future Starship passengers on Mars

12:16 pm

Another tourist site for future Starship passengers on Mars
Click for original image.

Cool image time! The picture to the right, rotated, cropped, reduced, and sharpened to post here, was taken on April 11, 2023 by the high resolution camera on Mars Reconnaissance Orbiter (MRO). It shows the northwest quadrant of a 7-mile-wide crater whose western rim was smashed by the later impact that created a smaller 2.8-mile-wide crater.

What makes this location interesting is what fills both craters, and how that material appears to flow through a gap in the smaller crater. The color strip suggests the peaks of the rim and small knobs are dust-covered, while the flat materials below are either “coarser-grained materials” that might also have elements of frost or ice within them. The science team thinks ice is involved, having labeled this picture “Ice Flow Features between Craters.”
» Read more

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Host galaxies for two quasars in early universe detected for the first time

10:06 am

Quasar and host galaxy
One of the quasars, with its light subtracted on the right,
revealing the host galaxy. Click for original image.

The uncertainty of science: Using data from both the infrared Webb Space Telescope and the Subaru optical telescope in Hawaii, astronomers have observed for the first time the host galaxies of two quasars that formed less than a billion years after the Big Bang.

Just a few months after JWST started regular operations, the team observed two quasars, HSC J2236+0032 and HSC J2255+0251, at redshifts 6.40 and 6.34 when the universe was approximately 860 million years old, both of which were discovered using Subaru Telescope’s deep survey program. The relatively low luminosities of these quasars made them prime targets for measuring the properties of their host galaxies.

The images of the two quasars were taken at infrared wavelengths of 3.56 and 1.50 microns with JWST’s NIRCam instrument, and the host galaxies became apparent after carefully modeling and subtracting glare from the accreting black holes. The stellar signature of the host galaxy was also seen in a spectrum taken by JWST’s NIRSPEC for J2236+0032, further supporting the detection of the host galaxy.

Photometric analyses found that these two quasar host galaxies are massive, measuring 130 and 34 billion times the mass of the Sun, respectively. Measuring the speed of the turbulent gas in the vicinity of the quasars from the NIRSPEC spectra suggests the black holes that power them are also massive, measuring 1.4 and 0.2 billion times the mass of the Sun. The ratio of the black hole to host galaxy mass is similar to those of galaxies in the more recent past, suggesting that the relationship between black holes and their hosts was already in place 860 million years after the Big Bang. [emphasis mine]

Normally, quasars are so bright the host galaxy is obscured. Computer modeling that subtracted the quasar’s light produced the host galaxy image on the right.

The highlighted sentence raises intriguing questions again about the Big Bang. Webb is once again finding evidence that the early universe quickly became like today’s universe, much faster than expected by cosmologists.

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Las Vegas developer touts spaceport plan

9:47 am

A Las Vegas developer is publicizing his plan to build a spaceport for rockets and spaceplanes on his 240 acre lot, with launches taking place within five to seven years.

He is also building a hotel/casino at this location, and I suspect the spaceport proposal’s purpose has more to do with publicizing that casino than actually launching rockets. He claims he will have a spaceport permit in two years, but for him to get such a thing for this land-based site is questionable.

The developer is also proposing to include a space-focused engineering school at the site, as well as fly zero-gravity planes from there, both of which are far more feasible.

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Europe successfully tests rocket engine to be used in its first reusable rocket

9:31 am

The European Space Agency (ESA) on June 22, 2023 successfully completed a 12-second static fire test of the Prometheus rocket engine it plans to use in its first reusable rocket.

The engine, like SpaceX’s Raptor-2 engine for Starship/Superheavy, uses methane as its fuel. The plan is to use it in a future rocket to replace or upgrade the Ariane-6 rocket, still being developed, with the ability to vertically land and reuse the first stage. The plan after this first round of static fire tests is complete is to begin to do short vertical hop tests next year, similar to the Grasshopper tests SpaceX did as it developed the Falcon 9.

However, the following quote from the article indicates their are some limitations to the engine:

According to CNES, the new engine will be reusable up to five times and can deliver variable thrusts of up to 100 tonnes.

SpaceX builds its Merlin and Raptor engines with the goal of many more reuses than this. Possibly this number is simply a conservative estimate that will change once the engine is operational. If all goes as planned, ESA hopes to have this new reusable rocket flying by 2026, at the earliest.

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June 27, 2023 Quick space links

3:29 pm

Courtesy of BtB’s stringer Jay.

 

 

 

 

 

 

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Today’s blacklisted American: Anyone who dares to criticize the left at Bakersfield College

2:26 pm

Professor Daymon Johnson
Professor Daymon Johnson

They’re coming for you next: Though this story begins with an announced lawsuit by professor Daymon Johnson against Bakersfield College in California for repeatedly threatening him and his colleagues whenever they dared to write or say anything that dissents from the university’s decidedly Marxist and leftist ideology, this story really is about blacklisting and the desire of the academic left to silence all dissent, by any means necessary.

The left is made up of close-minded thugs and goons, and if you think I am overstating the case, then read the opening words from Johnson’s lawsuit [pdf], filed by the Institute for Free Speech and quoting John Corkins, one of the trustees of the Kern Community College Board of Trustees that controls Bakersfield:

“They’re in that five percent that we have to continue to cull. Got them in my livestock operation and that’s why we put a rope on some of them and take them to the slaughterhouse. That’s a fact of life with human nature and so forth, I don’t know how to say it any clearer.”

The five percent that Defendant John Corkins referred to are faculty of Bakersfield College. They must be slaughtered, so to speak, for transgressions including the writing of op-eds in the local newspaper, appearances on radio programs, and the failure to censor their colleagues’ Facebook posts, all in opposition to the school’s official ideology. The first “cullee,” Professor Matthew Garrett, has just been fired for these forms of pure political speech. [emphasis mine]

When Corkins made this ugly statement as board of trustees meeting, likening college professors with whom he disagrees to cattle that have to be taken to slaughter, one trustee, Nan Gomez-Heitzeberg, “chuckled heartily at the suggestion. Others smiled.” No one objected to this vicious suggestion. [Watch the video here.]

As I said, thugs and goons, quite eager to commit genocide if they don’t get their way in all things.

The lawsuit describes in painful detail the effort at Bakersfield College to harass and destroy any dissenters, including firing a different professor, Matthew Garrett, for simply expressing his opinion, while accusing him of being a racist without any evidence.
» Read more

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Spring near the Martian north pole

12:28 pm

Spring near the Martian north pole
Click for original image.

Overview map

Cool image time! The picture above, rotated, reduced, and brightened slightly to post here, was taken on April 13, 2023 by the high resolution camera on Mars Reconnaissance Orbiter (MRO). It cuts a swath across an eleven-mile-wide crater only about 500 miles from the edge of Mars’ north pole ice cap.

The overview map to the right marks its location, as indicated by the white dot on the right edge of the map. The inset shows the soft and likely icy nature of the surface in which this impact occurred. The crater resulted in a secondary outside ripple, that quickly hardened after impact.

The image was taken during spring, shortly after the sun’s light hit this crater. The cracks in the ice indicate long term sublimation that is slowly reducing the amount of water ice inside the crater. Like mud cracks in the desert after a puddle has evaporated, the ice here is cracking to produce polygon fractures.

It is also very likely that everything here is coated with a thin mantle of clear dry ice, deposited as snow from the atmosphere in the winter and then sublimating away with the coming of spring. That spring dry ice sublimation is likely ongoing, and this picture is probably an attempt by scientists to detect that process.

Why the surface colors shift from aquablue to orange might have to do with that sublimation process, or it might be revealing areas covered with dust (orange). That the northern parts of the strip is blue and the southern parts orange suggests the former. Or not. I don’t have enough information to answer this question with any confidence.

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Zhurong data shows very weak magnetic field at landing site

10:17 am

Using data accumulated by Zhurong while it was still rovering on Mars, Chinese scientists have determined that the weak Martian magnetic field at Utopia Basin where the rover landed was very weak, much weaker than expected.

Results from NASA’s Mars’ lander InSight, which landed about 2,000 km southeast of Zhurong, have revealed that the crustal magnetic field at InSight’s landing site was an order stronger than that inferred from orbital measurement. Measurements from Zhurong, however, revealed the opposite result, with the average intensity an order less than that inferred from orbit.

The weak field suggests that the crust under Utopia Basin was never magnetized, or was demagnetized by some large later impact.

Meanwhile, no word on Zhurong itself, which either remains in hibernation or has died due to lack of power caused by the dusty Martian winter.

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