Category: Points of Information

Very brief descriptions, with appropriate links, of current or recent news items.

Ingenuity successfully completes rapid spin test

9:00 am

Ingenuity’s engineers announced this morning that yesterday the helicopter on Mars was able to successfully complete a rapid spin test of its rotary blades.

Today, April 16, on the 154th anniversary of Wilbur Wright’s birth, the Ingenuity flight team received information that the helicopter was able to complete a rapid spin test. The completion of the full-speed spin is an important milestone on the path to flight as the team continues to work on the command sequence issue identified on Sol 49 (April 9).

…The approach that led to today’s successful spin test entailed adding a few commands to the flight sequence. This approach was tested extensively on both Earth and Mars, and was performed without jeopardizing the safety of the helicopter.

They have still not set a date for flight, because they might still decide, after they have analyzed fully the results from this test, to revise the helicopter’s software and upload that change. If not the flight will be relatively soon. If so there will be a longer delay to test that software fully before flight.

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Today’s blacklisted American: Professor fired without due process for lamenting the poor education often received by blacks

10:58 am

Today's modern witch hunt
Burning witches in academia: It’s the IN thing.

They’re coming for you next: Sandra Sellers, a law professor at Georgetown University Law Center in Virginia was immediately fired by her dean without any investigation, based on an intentional false misreading of of her words said during what she thought was a private Zoom phone conversation.

Last month, Georgetown Law adjunct professor Sandra Sellers told a colleague privately on Zoom, “I hate to say this—I end up having this angst every semester that a lot of my lower [graded] ones are blacks.” Some black students, Sellers said, did well, but the overall pattern made her “feel bad.”

Sellers was not aware that her conversation was being recorded and uploaded to the aptly named “Panopto” software system. If someone had chosen to, he might have clipped her words and posted them to Twitter with the caption: “We need more white professors like this, who feel shame about how badly law schools are failing students of color. Thank you, Professor Sellers!” Instead, Sellers’ words were clipped and posted by Georgetown Law student Hassan Ahmad with the caption: “.@GeorgetownLaw negotiations professors Sandra Sellers and David Batson being openly racist on a recorded Zoom call. Beyond unacceptable.”

That day, without speaking with Sellers, William Treanor condemned her “reprehensible statements,” which he declared “abhorrent.” The next day, against his own university’s policies, Treanor fired Sellers without an official investigation.

Treanor also suspended without investigation David Batson, the law professor whom Sellers was speaking to.

The moral and legal violations here were not committed by Sellers by her words, since she was simply expressing a concern for her minority students and her frustration that she had not been able to figure out a way to help them do better. No, let me list the real violators to truth and justice:
» Read more

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InSight pauses science operations to conserve power

8:41 am

The science team for the InSight lander on Mars have been forced to suspend science operations because dust on the solar panels is reducing the available power.

InSight’s solar panels were producing just 27% of their energy capacity in February, when winter was arriving in Elysium Planitia. So NASA decided to start incrementally turning off different instruments on the lander. Soon the robot will go into “hibernation mode,” shutting down all functions that aren’t necessary for its survival.

By pausing its scientific operations, the lander should be able to save enough power to keep its systems warm through the frigid Martian nights, when temperatures can drop to negative-130 degrees Fahrenheit. “The amount of power available over the next few months will really be driven by the weather,” Chuck Scott, InSight’s project manager, said in a statement.

InSight is still in good condition – it’s even using its robotic arm – but the risk of a potentially fatal power failure is ever-present. If the lander’s batteries die, it might never recover.

As with the rovers Spirit and Opportunity, InSight engineers have depended on periodic strong wind events to periodically clean off the solar panels. Unfortunately, these events are somewhat random, and for the past few months none have occurred.

Note: the article at the link says that winter was arriving at InSight’s location in February, but this is incorrect. InSight sits at about 4 degrees north latitude. In February the end of winter was approaching in the northern hemisphere. More to the point, sitting at the equator you wouldn’t really expect InSight to experience much seasonal changes regardless.

It therefore seems that these issues had less to do with the seasons and much more to do with the accumulating dust on the panels.

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New OSIRIS-REx photos of Bennu sample site after sample grab

1:40 pm

Nightingale before and after sample grab
Click here and here for original images.

The OSIRIS-REx science team today released the photos the spacecraft obtained in its last fly-by of the asteroid Bennu on April 7th of the Nightngale sample site, showing how it changed after the sample grab in October 2020.

The two photos to the right compare that site, with the top image taken before the sample grab and the bottom image taken on April 7th.

Comparing the two images reveals obvious signs of surface disturbance. At the sample collection point, there appears to be a depression, with several large boulders evident at the bottom, suggesting that they were exposed by sampling. There is a noticeable increase in the amount of highly reflective material near the TAG [touch-and-go] point against the generally dark background of the surface, and many rocks were moved around.

Where thrusters fired against the surface, substantial mass movement is apparent. Multiple sub-meter boulders were mobilized by the plumes into a campfire ring–like shape — similar to rings of boulders seen around small craters pocking the surface.

Jason Dworkin, the mission’s project scientist at NASA’s Goddard Space Flight Center in Greenbelt, Maryland, noticed that one boulder measuring 4 feet (1.25 meters) across on the edge of the sampling site seemed to appear only in the post-TAG image. “The rock probably weighs around a ton, with a mass somewhere between a cow and a car.”

Dante Lauretta, of the University of Arizona and the mission’s principal investigator, later pointed out that this boulder is likely one of those present in the pre-TAG image, but much nearer the sampling location, and estimates it was thrown a distance of 40 feet (about 12 meters) by the sample collection event.

The sample grab arm penetrated the surface by more than a foot, and that event is marked by that dark depression at the center of the site.

OSIRIS-REX will now prepare for its May 10th engine firing that will send it on its route back to Earth to return that sample in September 24, 2023. After that the spacecraft could be sent on another mission, this time to the potentially dangerous asteroid Apophis.

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Today’s blacklisted American: A movie about the dark side of Planned Parenthood

12:09 pm

Today's modern witch hunt
Burning witches: What Hollywood now routinely tries
to do to conservatives.

Blacklists are back and Hollywood’s got ’em: When long time Hollywood filmmakers Cary Solomon and Chuck Konzelman decided to make the film Unplanned, telling the story of a woman who went from being Planned Parenthood clinic director supporting abortion to an avid advocate for the unborn, they did so under assumed names, and discovered themselves fighting an aggressive effort both in Hollywood and in social media to suppress the film once released.

Multiple cable networks, such as Lifetime, Hallmark Channel, HGTV, USA Network, Food Network, The Travel Channel, refused to carry commercials promoting the film. Multiple theater owners received death threats and harassment prior to screenings, with a few cancelling the screenings out of fear for themselves and their families.

And then there was the usual Twitter censorship.
» Read more

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Sierra Nevada to make its space operations a separate company

10:01 am

Capitalism in space: Sierra Nevada has decided to spin off its space operations involving Dream Chaser and its proposed private space station into a separate company called Sierra Space.

In a message to employees April 14, SNC [Sierra Nevada] Chairwoman and President Eren Ozmen said the company’s Space Systems division will become a standalone company, called Sierra Space, although remain a subsidiary of SNC.

…Ozmen provided few details about how the transition of SNC’s space business to Sierra Space would unfold, but she said it would take several months to complete. Even after the transition, Sierra Space will “continue deep cooperation and synergy” with SNC’s other business areas in aviation and defense.

My guess is that Ozmen does not want the risks of its space-related projects to impact its more reliable aviation and defense holdings. By separating it out, she can better isolate the success or failure of each. This does not necessarily mean that the space holdings are failing, only that they carry a greater financial risk.

Sierra Space’s future strongly hinges on the success of the first Dream Chaser cargo shuttle, Tenacity, whose inaugural flight has been delayed from ’21 to ’22. If that fails, all the other plans of this space division will likely fail as well. If it succeeds however the company’s financial future will be quite promising.

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Phantom Space raises $5 million in investment capital

9:52 am

Rising from the ashes: Phantom Space, the new startup smallsat rocket company created by Jim Cantrell, the former CEO of the smallsat rocket company Vector, has now successfully raised $5 million in seed money to begin development of its rocket, dubbed Daytona.

The expendable Daytona will be powered by eight Hadley engines — seven on the first stage and one on the upper stage. The engines are an example of Phantom Space’s strategy of leveraging externally developed tech; Hadleys are built by Denver-based company Ursa Major Technologies.

According to my sources, the reason Vector never flew and Cantrell and the company parted ways was that the engines they were building for the rocket ended up under-powered. It seems Cantrell has taken a different approach with his new startup by buying engines from an outside source instead of building them in house.

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Branson sells off more of his Virgin Galactic stock

9:40 am

He’s getting out while the getting is good: In the past three days Richard Branson sold another $150 million worth of his Virgin Galactic stock.

The stock price for these sales was about $27, more than twice the value when the company went public in November 2019.

Including his stock sales in May ’20, Branson has now sold about 30% of his share in the company, leaving him holding only about a 20% share. Essentially, Virgin Galactic is no longer his company.

Meanwhile, Virgin Galactic now says it will not begin tourist flights until ’22. Whether it can survive that long is another question. It certainly hasn’t delivered on any of Branson’s endless grandiose promises, beginning almost two decades ago in 2005.

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SpaceX raises another $1.16 billion in private capital

9:25 am

Capitalism in space: In a regulatory filing yesterday SpaceX revealed that it raised another $1.16 billion in private investment capital in just the past two months.

This follows two other recent financing rounds since August of last year in which SpaceX raised almost $3 billion. That makes $4 billion raised in eight months. All told, I think this brings the total private investment capital SpaceX has raised in the past two years to approximately $6 billion, all for building both the Starlink satellite constellation and the Starship/Superheavy rocket.

Not only does this give SpaceX ample cash to build both, it signals the growing faith big money investors have in the company’s plans. They have bought into Elon Musk’s dreams because he has proven that his dreams deliver, not only in exciting space ventures but in profits.

This fund-raising success also tells us that even if Starship does not reach orbit before SLS, it will very soon eclipse it entirely. It has the money now to get built, and the way SpaceX builds things, it will get built fast.

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Russia to build own space station; admits Zvezda is failing

9:10 am

Zvezda module of ISS
The Zvezda module, with aft section indicated
where the cracks have been found.

The new colonial movement: On April 12th, the 60th anniversary of the flight of Yuri Gagarin, Russian President Vladimir Putin announced that Russia is going to build its own independent space station, dubbed the Russian Orbital Space Station (ROSS), to replace its half of ISS.

More important however was this carefully worded admission:

In recent years, the ISS has begun to fall apart, with astronauts now frequently discovering cracks. Last week, it was revealed that Russian cosmonauts were still working on plugging a leak first noticed in 2019. The ongoing problems with the international station have prompted Moscow to begin creating a replacement.

What this state-run news article failed to mention is that the cracks and leaks have only been found in Russia’s twenty-year-old Zvezda module, not the rest of ISS. What ISS faces is the failure of the core section of Russia’s half of the station.

This public statement however is the first from Russia that clearly admits that the cracks in Zvezda are likely systemic stress fractures, and the patches to seal them are mere bandaids on a much more fundamental problem that is certain to get worse over time.

The decision to build its own new station is however not really surprising. The American goals in space have been shifting from promoting the government’s program to stimulating the American commercial aerospace industry. International cooperation is no longer the primary goal. The American foreign aid to Russia’s space program from the early days of ISS’s construction has long ago dried up, and Russia is also no longer getting any cash from the U.S. to fly American astronauts to ISS. The incentive to remain a partner has vanished.

If successful this will make three national stations in orbit, ISS, China’s, and Russia’s. In addition, we should start seeing the launch of several private commercial stations sometime this decade.

The competition is going to be glorious, with the results fast-paced and exciting. The moribund days of boring international cooperation where everything was squeezed into a single project, the International Space Station, appear over.

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