Mars: Glaciers on top of glaciers on top of glaciers

Overview map
Mars’ glacier country.

glaciers on top of glaciers on top of glaciers
Click for full image.

Cool image time! The photo to the right, rotated, cropped, and reduced to post here, was taken on December 12, 2021 by the high resolution camera on Mars Reconnaissance Orbiter (MRO). It shows a small patch of layered glacial features flowing in all directions. The overview map above marks its location by the red dot, at 40 degrees north latitude in the region dubbed Deuteronilus Mensae, on the western end of the 2,000 long strip from 30 to 60 degrees north latitude that I dub Mars’s glacier country because practically every image in this region shows glacial features.

What makes the glacial features in this picture so remarkable is their number, their somewhat chaotic nature, and the evidence of many layers, suggesting a cyclical process of ebb and flow over the eons.

Below I zoom into one section of this photo, showing that section at full resolution.
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Pushback: Oral surgeon sues state for shutting down his practice for refusing COVID shots

Oral surgeon Stephen Skoly, blackballed by Rhode Island
Oral surgeon Stephen Skoly, blackballed by Rhode Island

Don’t comply: Stephen Skoly, an oral surgeon in Rhode Island, has sued both his governor, Democrat Daniel McKee, and the head of the state’s health department, James McDonald, for shutting down his dental practice — serving 800 patients monthly — and preventing him (and his ten employees) from earning a living, simply because he has decided for medical reasons not to get the COVID shots.

Skoly, who’s been a dental surgeon since 1990, requested medical exemption from the COVID-19 vaccine because of his history of Bell’s palsy paralysis, the complaint says, and he says he has “natural immunity” against the virus because of a “blood test” that confirmed he has COVID-19 antibodies.

More information here.
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Have astronomers discovered an asteroid with three moons?

The uncertainty of science: According to a New York Times article published yesterday, astronomers have now discovered an asteroid with three moons, making it the first such asteroid ever discovered.

The asteroid, Electra, was first discovered in 1873, and orbits the Sun in the asteroid belt between Mars and Jupiter. It was already known that it had two moons. The new research thinks it has found a third.

In reading the researchers’ the actual paper describing this research, it appears that the Times is spinning the data, making it sound more certain than it is. This new result comes entirely from new software that was designed to better resolve archival images of the asteroid, and thus carries a lot of uncertainty. From the paper’s conclusion:

[There remain] a lot of uncertainties remain concerning the orbit of S3 [the new asteroid moon]. More data on S2 and S3, as well as a more thorough dynamical study are necessary to solve the problem of the motion of the satellites of Elektra. However, the discovery of the first quadruple asteroid system slightly opens the way for understanding the mechanisms of the formation of these satellites.

In terms of data processing, S3 is barely visible in the data reduced with the standard pipeline and processed with standard halo removal algorithms and it was missed until now.

The paper repeatedly notes that the orbital data for Electra and its moons is presently “poorly constrained” and needs significant refinement in order to confirm this result.

If true, however, these moons are probably pieces that broke off of Electra at some point in the past, and could provide good information about the long term history of asteroids in the asteroid belt.

Swiss startup raises $29 million to build a hypersonic commercial plane

Capitalism in space: Destinus, a new Swiss startup, has successfully raised $29 million in seed money to begin development of a hypersonic commercial plane.

Destinus is developing a vehicle that takes off and lands horizontally under the power of airbreathing jet engines. Once out of controlled airspace, Destinus’ hyperplane is designed to accelerate to hypersonic speeds with the help of a cryogenic hydrogen-fueled rocket engine, according to the company’s Feb. 8 news release.

Destinus has been testing airbreathing engines during flight tests of an unpiloted prototype. By the end of the year, the company aims to show its prototype can break the sound barrier

This company’s founding has an interesting backstory. Its founder, Mikhail Kokorich, was a major investor in the American space tug company Momentus. When the Defense Department forced him to sell his share in that company last year because he was not an American, he moved to Switzerland to form Destinus instead. Nor is this Kokorich’s only endeavors in commercial space. He has started a number of other small companies previously.

Don’t expect Destinus’s plane to fly in the near future. Though it has already flown a small scale prototype, the company only started to hire engineers in the past few months.

Ingenuity completes 19th flight

Perserverance and Ingenuity as of February 8, 2022
Click for interactive map.

The Mars helicopter Ingenuity yesterday successfully completed its 19th flight on the Martian surface, traveling for 99 seconds about 200 feet to the northeast, landing close to the landing site of its 8th flight back in June 2021.

The map to the right shows the helicopter’s overall travels in tan, with the 19th flight path in green. The white line marks Perseverance’s travels, with the red dot indicating its present location. The dashed yellow line indicates the rover’s planned route. To achieve that the rover team is retracing its steps along the path it had previously traveled, with Ingenuity flying in front, along that path.

The flight had been delayed more than a month while waiting for a dust storm to settle as well as making sure Perseverance was in a good position to maintain communications throughout the flight. With Perseverance finally on the move to the east and the dust storm subsiding, the Ingenuity flight was finally possible.

Pioneer game update: Full demo of game released

Though no launch date for the Kickstarter campaign for funding the creation of a videogame based on my science fiction book Pioneer has been announced, the producer, Aaron Jenkin, early this week released the full demo of the game. You can download a version for either Windows, Mac, or Linux here.

I’ve played the Linux version and had a great time. While this is only a demo, Aaron has captured the feel of my book, while adapting it to the needs of a video game. I really hope when the Kickstarter campaign starts, it quickly raises enough to produce the game. It will be a blast for players.

For those who want to get the game’s newsletter updates, published about once per week, you can subscribe at PioneerSpaceGame.com. If you are definitely interested in donating to the game, you should also subscribe as it gives Aaron a sense of the amount of interest (the numbers have been rising quickly in the past month, a very good sign!).

For those who want to get a sense of of what the game itself will be like now, below the fold is the game’s trailer.
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Random Martian ridges on a lava plain

Random ridges on Martian lava plain
Click for full image.

Cool image time! The photo to the right, cropped and reduced to post here, was taken on December 30, 2021 by the high resolution camera on Mars Reconnaissance Orbiter (MRO). This was a terrain sample image, taken not as part of any specific research project but to fill a gap in the camera’s schedule and thus keep its temperature maintained properly. When the MRO team needs to take such pictures, they try to pick locations that might be interesting and previously unphotographed, but often the location is neither.

In this case this terrain sample captured a flat lava plain interspersed with sinuous ridges going in all directions. On top of this is a scattering of smaller impact craters, which obviously occurred after the lava had flowed and solidified.

What caused the ridges?
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Pushback: Conservative Hispanic student defeats effort to blacklist her

Olivia Gallegos
Gallegos is also participating in Wichita State’s
first Collegiate Leadership Competition

Don’t comply: Despite being Hispanic, Olivia Gallegos — a student at Wichita State University and an elected member of its student government — was accused of being a white supremacist and threatened with removal because she nominated a conservative woman for recognition by the school’s Diversity, Empowerment and Inclusion Committee.

It seems that committee wanted nothing to do with diversity of thought, even if it empowered a woman.

“Basically by highlighting a conservative, I was [called] a white supremacist and [accused of] giving a platform to white supremacy,” she said. “I just laughed, because I’m Hispanic.”

But the effort to force Gallegos to resign never came to fruition. “I had to sit through a 2.5-hour senate review board where they ultimately determined, ‘You did nothing wrong. But we’d like you to meet with diversity and inclusion to learn how to respond to things like this, and use this as a learning experience,’” Gallegos said.

She refused.

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Space tug company picks Falcon 9 for test flights

Capitalism in space: Launcher, one of several space tug startups, has awarded SpaceX the contract to launch its first four test flights of its Orbiter tug.

Launcher announced Feb. 7 it signed a multi-launch contract with SpaceX for three additional missions of its Orbiter tug. Those tugs will fly on Falcon 9 rideshare missions in January, April and October of 2023.

Launcher’s first Orbiter tug will launch on SpaceX’s Transporter-6 rideshare mission in October 2022 under a contract announced last June when the company revealed its plans to develop Orbiter. The vehicle is designed to deploy cubesats and other smallsats in their desired orbits as well as host payloads for missions lasting up to two years.

Launcher — along with Momentus, Spaceflight, Astroscale, and several others — are all rushing to build and launch the first tugs for transporting satellites from orbit to orbit, or to remove space junk. Launcher’s deal with SpaceX suggests it is tailoring its system for satellites launched from the Falcon 9.

Rogozin’s salary rockets upward

The salary of Dmitry Rogozin, the head of Roscosmos which runs Russia’s entire space industry, has grown from a mere $100K when he took over in 2018 to $1.3 million in 2020.

During the most recent year for which salary data is available, 2020, Rogozin was paid $1.3 million—and this does not include perks of the job, such as four vehicles, real estate holdings, spousal pay, and possibly off-the-books income. Before his imprisonment, Russian critic Alexei Navalny released an investigation of Rogozin and the corruption at Roscosmos that delves into some of these benefits.

Rogozin has seen a stunning rise in his fortunes since coming to Roscosmos. Before his move, he earned about $100,000 per year as deputy chairman in the Russian government. In 2018, his salary jumped to $513,000, and in 2019, it went up to $639,000.

By way of comparison, NASA, which has a budget several times larger than that of Roscosmos, pays Administrator Bill Nelson an annual salary of $185,100.

Rogozin is merely doing what all high level managers in Russia do. They get a job, and while there suck as much cash from it as they can before moving on or getting fired. The gigantic and fast increase in these numbers suggest Rogozin does not expect to remain in charge that much longer.

This pattern is very similar to what happened in the Roman Empire. The Caesar in Rome would appoint governors to the various outlying provinces in Germany, France, England, and the Middle East, who would then skim off for themselves as much cash from tax revenues as they could get away with, then retire back to Rome to live the good life. Meanwhile, governance in those provinces would suffer, to the point that eventually the empire fell.

Rogozin appears to be doing the same in Roscosmos, which suggests not much will come from its many projects to come up with new rockets, spacecraft, and space stations in the coming years.

Lockheed Martin wins NASA contract to build Mars rocket

Capitalism in space: NASA yesterday awarded Lockheed Martin a $194 million contract to build the Mars rocket that will lift Perseverance’s samples into orbit for return to Earth.

Set to become the first rocket fired off another planet, the MAV [Mars Ascent Vehicle] is a crucial part of a campaign to retrieve samples collected by NASA’s Perseverance rover and deliver them to Earth for advanced study. NASA’s Sample Retrieval Lander, another important part of the campaign, would carry the MAV to Mars’ surface, landing near or in Jezero Crater to gather the samples cached by Perseverance. The samples would be returned to the lander, which would serve as the launch platform for the MAV. With the sample container secured, the MAV would then launch.

Once it reaches Mars orbit, the container would be captured by an ESA (European Space Agency) Earth Return Orbiter spacecraft outfitted with NASA’s Capture, Containment, and Return System payload. The spacecraft would bring the samples to Earth safely and securely in the early- to mid-2030s.

According to this project’s webpage, the European Space Agency (ESA) is building that they call a “fetch rover” which will be deployed from the rover to get the samples and bring them back to the MAV.

There are a lot of uncertainties in this scenario. It has been decades since Lockheed Martin built rockets. ESA has not yet built an operational Mars rover. It is also unclear who will build NASA’s lander and capture/return payload. Thus, do not expect this mission to launch “as early as ’26,” as the press release says. I predict it will launch at least five, maybe ever ten years, later.

Astra launch aborts at T-0

UPDATE: The launch has been scrubbed for the day. No word on when they will reschedule, nor has Astra released any information as to what caused the launch abort, other than a “telemetry issue.”.

Capitalism in space: The second attempt by Astra to launch its first commercial satellites on its second orbital launch from Cape Canaveral aborted at T-0.

The launch on February 5th was scrubbed when some radar equipment used by the range failed.

The launch team is presently reviewing the data to see if they can recycle and attempt another launch today. This would be the second recycle today, as the first launch attempt was held about a minute before launch and then recycled, leading to the launch abort at T-0. The launch window still has about 100 minutes left.

The rocket is carrying four cubesats, three built by students at three different universities, with the fourth built by engineers at NASA’s Johnson Space Center in their effort to learn how to build cubesats for themselves.

I have embedded Astra’s live stream below the fold, for those who wish to watch.
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Pushback: Huge increase in homeschooling in VA

Home-schooling: a example of liberty in action
Home-schooling: a example of liberty in action

Because of oppressive and racist policies that include mask mandates, remote schooling, and the teaching of the bigoted and Marxist program dubbed Critical Race Theory, Virginia has seen a huge increase in home schooling in the past two years.

Homeschooling in Virginia has increased by nearly 40% since 2019, which has been partly fueled by the implementation of critical race theory in classrooms and the coronavirus. “The children don’t belong to the state. I think parents really want to impart their own values to their children – their values and beliefs and their own worldview. And that is a major reason parents are home schooling,” Yvonne Bunn, director of government affairs for the Home Educators Association of Virginia, told the Virginia Mercury earlier this month.

There are currently about 62,000 homeschoolers in Virginia, according to Virginia Department of Education data. There were 44,226 homeschoolers in the state during the 2019/2020 school year, marking a more than 39% increase. The numbers this year are slightly down from the 2020/2021 school year, when 65,571 students were homeschooled.

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Astronomers organize lobbying group to block satellite constellations

The International Astronomical Union (IAU) has now created an office to lobby governments worldwide to block the coming commercial launch of numerous satellite constellations.

The IAU claims that the first goal of this new office will be to study the effects of these satellites on ground-based astronomy accompanied by an effort to work with industry to mitigate those effects.

That is a lie. This is the office’s real purpose:

Another role for the center will be to create national and international laws and norms for what regulators allow in orbit. “We need to codify these good intentions, to have some backup,” says Richard Green of the University of Arizona’s Steward Observatory. “We’ll take a two-pronged approach: Cooperate and develop legislation to apply if necessary.” IAU and other bodies are working to convince the United Nations’s Committee on the Peaceful Uses of Outer Space of the need for legislation. “We are confident that we will have guidelines that will have to be followed by companies in the near future,” Benvenuti says. Cosmologist Aparna Venkatesan of the University of San Francisco says it would be good if there were laws in the United States and elsewhere that echoed the influential U.S. Clean Air Act: “Many of us dream of a Clean Skies Act.”

Rather than realize that things are changing and Earth-based astronomy is becoming obsolete, the astronomers wish to use the force of law to block progress by others so that they can continue to live in the past.

The time to have moved all cutting edge astronomical research off the planet arrived more than three decades ago. The astronomers refused to recognize this, focusing instead on building giant telescopes on the ground that had less capability than the Hubble Space Telescope and were dogged by political and engineering challenges that hindered their success.

Had astronomers instead focused on building many small orbiting optical telescopes, the threat of satellite constellations now would be minimal. Instead, astronomers would be poised to build the bigger space-based telescopes they need. Instead, they are grounded, with the needed future space-based telescopes possibly decades away.

InSight resumes limited science operations

InSight on February 5th resumed science operations, reactivating its seismometer to record Martian quakes.

As I suspected in my previous InSight update, the lander’s life is still coming to an end.

The mission, though, has been grappling with a gradual decline in the spacecraft’s power because of dust accumulating on its solar arrays. Unlike the Spirit and Opportunity rovers, whose arrays were regularly cleaned by atmospheric activity, dust has continued to accumulate on InSight’s arrays. At a meeting of MEPAG in June 2021, Banerdt projected that power levels would drop below that needed to keep the spacecraft alive in the spring of 2022.

That date has been pushed out slightly, but he said the long-term outlook for the lander still does not look promising. “Our current projections indicate that the energy will drop below that required to operate the payload in the May/June time frame and probably below survivability some time near the end of the year,” he said.

They might still squeeze a month or two more from the lander, but unless they are very lucky and a dust devil blows across it, the end is coming.

Engineers determine failed gyroscope caused Gehrels-Swift shutdown

Engineers have now determined that the failure of one of the six reaction wheels that point the orbiting Gehrels-Swift Observatory was the cause of its shutdown into safe mode on January 18th, and are now reconfiguring the space telescope to operate with only five gyroscopes.

The team is currently testing the settings for operating the spacecraft using the five operational reaction wheels. After the tests for these settings have been completed, they plan to upload them to the spacecraft next week.

Swift can fully carry out its science mission with five wheels. After careful analysis, the team has determined that the five-wheel configuration will minimally impact the movements necessary for Swift to make science observations. The team expects the change will slightly delay the spacecraft’s initial response time when responding to onboard gamma-ray burst triggers, but this will not impact Swift’s ability to make these observations and meet its original operational requirements.

Only after getting Gehrels-Swift operating again will the engineers then consider trying to recover the failed reaction wheel.

Gehrels-Swift was one of the key space telescopes that made it possible for astronomers to solve the mystery of gamma ray bursts. It is also used today to help identify the source of mysteries like fast radio bursts and other supernovae events. It was designed to quickly begin observing in multiple wavelengths any spot in the sky where a mystery burst or new supernova has occurred, thus getting astronomers the earliest new data possible.

Pushback: Doctor suspended for opposing mandates sues hospital

Dr. Mary Bowden, refusing to bow to the authorities
Dr. Mary Bowden, refusing to bow to the authorities

Pushback: Mary Bowden, a doctor who was suspended from working at Houston Methodist Hospital because she publicly opposed COVID shot mandates and used ivermectin in treating her Wuhan flu patients, has now sued the hospital to get data on the effects, pro and con, of those shots on its own patients.

The hospital had accused her of “spreading dangerous misinformation which is not based on science” because she had successfully treated about 2,000 COVID patients, none of which ever needed hospitalization, with both ivermectin and monoclonal antibodies.

Bowden apparently has publicly advocated choice by both doctors and patients, something the lords at Houston Methodist cannot tolerate.

Bowden added, “We all know that early COVID treatment works, it saves lives, and I’m not going to be silenced, intimidated, or bullied by Houston Methodist, Houston Chronicle, or anyone else who wants to target physicians that question the narrative.”

In November, [her Attorney Steve] Mitby said that Bowden had never peddled disinformation, as a Stanford University-trained physician who has had vast experience in treating coronavirus patients. “She is helping her patients, through a combination of monoclonal antibodies and other drugs, to recover from COVID. Dr. Bowden’s proactive treatment has saved lives and prevented hospitalizations,” he said at the time. “Dr. Bowden also is not anti-vaccine as she has been falsely portrayed. Dr. Bowden has opposed vaccine mandates, especially when required by the government. That is not the same as opposing vaccines.”

Hospitals nationwide have been blocking doctors from considering these other treatments, even though there is building evidence that they work. Bowden’s own success is an example of that evidence.

The lawsuit is not seeking damages. Instead, it wishes to obtain from the hospital its data on its own success at treating the Wuhan flu, as well as what it has gained financially by that treatment.
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Alien and barren Mars

Curiosity's view looking to northeast, sol 3376 (February 4, 2022)
Click for full resolution. Click here, here, and here for original images.

Overview map
Click for interactive map.

Cool image time! The panorama above was created from three photos downloaded today from Curiosity’s right navigation camera. It looks to the northeast of the rover, out across Gale Crater. The crater floor is about 1,750 feet lower.

This is dust season on Mars, which explains the thick haze in the crater. About 25 miles away the crater rim can be faintly seen through the dust haze as a mountain chain. If you look at the full resolution panorama you can see several buttes on the crater floor barely visible through that haze.

The map to the right gives the context. Curiosity’s present location is indicated by the yellow dot, with the yellow lines indicating the area covered by the panorama. The red dotted line indicates the rover’s future planned route.

For the last few weeks Curiosity has been working nestled to the base of a small butte the science team has dubbed “The Prow”, studying its numerous thin layers. I featured the Prow in this January 11th post, though at the time I overestimated its size, which is only about ten feet high. The butte is especially fascinating in that its top layers overhang outward in an unbelievable manner.

The rover is now about to move on, though where must still be decided by the science team. Based on their most recent update it appears they are not ready to leave this barren rocky hollow surrounded with many-layered buttes, and will take the rover to another.

Iceye raises $136 million in private investment capital

Capitalism in space: Iceye, which launches commercial Earth observation satellites, has successfully raised another $136 million in private investment capital, bringing its total cash raised to $304 million.

With the latest cash infusion announced Feb. 3, Iceye is expanding manufacturing capacity and upping its launch tempo. Iceye plans to loft 11 satellites in 2022, after launching seven in 2021. Iceye also will devote additional resources toward natural catastrophe monitoring. In 2021, Iceye began working with insurance industry partners including Zurich-based Swiss Re and Tokyo-based Tokio Marine.

With the climate changing and natural catastrophes becoming more frequent, Iceye executives see increasing demand for updated information. SAR satellites are particularly useful for observing floods and other disasters because unlike optical sensors, they gather data at night and through clouds.

Essentially, commercial satellites like Iceye’s are replacing the government satellites that NASA and NOAA have been launching, but with far less frequency and far more cost in the last two decades. In fact, the inability of these agencies to get many new Earth observation satellites launched on time and cheaply has fueled this new private industry.

Like NASA’s manned program, the government will soon depend entirely on privately-built satellites for its climate and Earth resource research. And it will get more for its money and get it faster.

Former NASA insiders form commercial company to launch satellites to lunar orbit

Capitalism in space: Two former NASA managers have teamed up with two commercial businessman to form a startup, dubbed Quantum Space, to launch an unmanned platform to lunar space to provide support for NASA’s Artemis program.

The team includes Steve Jurczyk, who spent thirty years at NASA and finished his career there before retiring serving as acting NASA administrator for the first three months of the Biden administration.

Jurczyk is one of the three co-founders of Quantum Space. Another is Ben Reed, former division chief of exploration and in-space services at NASA’s Goddard Space Flight Center and who worked on satellite servicing projects there. He is the chief technology officer of Quantum Space. The third co-founder is Kam Ghaffarian, who also helped start commercial space station company Axiom Space and lunar lander developer Intuitive Machines after selling Stinger Ghaffarian Technologies. They’re joined by Kerry Wisnosky, the co-founder and former principal owner of Millennium Engineering and Integration, who is the chief operating officer of Quantum Space.

Their plan is to launch their platform and robots to the Earth-Moon L1 point, the spot where the gravitational spheres of influence of the Earth and Moon meet, about 40,000 miles from the Moon.

The outpost … would consist of two components. One is a spacecraft bus that serves as a platform for hosting payloads, using modular “plug-and-play” interfaces. The other is a spacecraft that would deliver payloads to the platform and install them using robotic manipulators.

Those payloads could include communications, navigation, remote sensing, space domain awareness and space weather sensors, Jurczyk said. Those payloads would primarily come from customers, but he said the company is looking at developing its own payloads, particularly for imaging of the Earth and moon.

They hope to launch their first satellite by ’25.

Like the insiders who run Axiom, these guys are taking advantage of their experience at NASA to build a private space company that will serve NASA’s needs. They are also recognizing that in the coming years, everything NASA “does” will be done by private companies. This company is their effort to jump on that bandwagon.

Webb mirror alignment begins with first photons detected by instrument

With the detection by one instrument of the first photons traveling through all of the mirrors of the James Webb Telescope the alignment of its many mirror segments begins.

This week, the three-month process of aligning the telescope began – and over the last day, Webb team members saw the first photons of starlight that traveled through the entire telescope and were detected by the Near Infrared Camera (NIRCam) instrument. This milestone marks the first of many steps to capture images that are at first unfocused and use them to slowly fine-tune the telescope. This is the very beginning of the process, but so far the initial results match expectations and simulations.

The article at the link provides a very detailed description of the step-by-step process used by engineers to align the eighteen segments of the primary mirror.

Hot spot in northern Martian crater?

Hot spot in northern Martian crater?
Click for full image.

Cool image time! The photo to the right, rotated, cropped, and reduced to post here, was taken on September 22, 2021 by the high resolution camera on Mars Reconnaissance Orbiter (MRO). It shows an unnamed four-mile-wide crater in the high northern lowland plains of Mars, at 60 degrees north latitude.

At 60 degrees latitude, it is likely that the crater’s interior is filled with buried glacial ice. A close look at the crater’s interior rim shows that whatever material fills the crater does not quite reach the rim. Furthermore, there are areas in the interior where it appears some slight sublimation has occurred. These features suggest the interior material is buried ice, but do not prove it.

What makes this crater intriguing however is the irregular depression at its center. When craters have a feature at the center, it usually is a central peak, caused at impact. The impact makes the ground act like a pond of water when you drop a pebble into it, with circular ripples (the crater rim) spreading outward and an uplift in the center (the central peak). In the case of a crater, the pond quickly freezes, locking those ripples and uplift in place.

Why a central depression then?
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SpaceX successfully launches another 49 Starlink satellites

Capitalism in space: SpaceX successfully completed its third launch in four days today, launching 49 Starlink satellites into orbit on its Falcon 9 rocket.

At the time of writing, the satellites themselves have not yet deployed. The first stage, flying its sixth mission, landed successfully. The two fairing halves were flying their sixth and fourth flights.

The 2022 launch race:

6 SpaceX
2 China
1 Virgin Orbit
1 ULA

1 238 239 240 241 242 1,085