Tag: spaceflight

Maritime Launch Services signs land lease for its Nova Scotia spaceport

9:54 am

Capitalism in space: Maritime Launch Services yesterday obtained a 20-year land lease for its Nova Scotia spaceport from the province of Nova Scotia.

The lease covers 334.5 acres, and is renewable for an additional 20 years.

Unlike other spaceports, Maritime isn’t merely providing a launch site for rocket companies. Instead the company will also launch smallsats itself, using a Ukrainian-built rocket dubbed the Cyclone-4M. Initially the plan was to fly all launches in this manner, but the invasion of the Ukraine by Russia has caused Maritime to look for other launch providers as well.

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Starship gets its first communications satellite customer

9:38 am

Capitalism in space: Sky Perfect JSAT, a Japanese satellite communications company, today awarded SpaceX a launch contract using its giant Starship/Superheavy rocket to put its Superbird-9 communications satellite into orbit in 2024.

Superbird-9 will be launched by SpaceX’s Starship launch vehicle in 2024 to geosynchronous transfer orbit. SpaceX’s Starship is a fully reusable transportation system that will be the world’s most powerful launch vehicle. SKY Perfect JSAT and SpaceX will continue to work together ahead of the launch of Superbird-9 Satellite.

Sky Perfect is the first communications satellite company to choose Starship for a satellite launch. It is however the rocket’s fourth signed customer. Japanese billionaire Yusaku Maezawa made a deal in 2018 for a flight around the Moon, while NASA chose Starship in 2021 as the manned lunar lander in its Artemis program. UPDATE: SpaceX also has a second private manned customer, Jared Isaacman, whose present deal with SpaceX calls for two Dragon flights followed by a Starship flight.

Sky Perfect is not a new company, with sixteen satellites already in orbit providing communications, broadband, and entertainment to Japan and the Far East. It likely made this deal because it got a very good launch price, with options to back out if the rocket’s on-going development gets delayed by too much. It also made the deal because it helps to solidify Starship’s future, something Sky Perfect probably sees as a win considering the significant reduction of launch costs expected from Starship/Superheavy.

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A “What the heck!?” crater on Mars

3:16 pm

A
Click for full image.

Today’s cool image falls into what I call my “What the heck?” category. The photo to the right, cropped and reduced to post here, was taken on May 31, 2022 by the high resolution camera on Mars Reconnaissance Orbiter. It was also picked by the science team as that camera’s picture of the day on July 12, 2022. From the caption:

This seems to belong to a class of craters in the Cerberus Plains that was flooded by lava, which was subsequently uplifted and fractured by an unknown process. This class of filled, uplifted and fractured craters is informally called “the waffle.” A combination of volcanic and periglacial processes seems possible.

In other words, the scientists only have a vague idea what created the broken up floor of this crater. For example, why did only the material in the interior of the crater get uplifted and fractured? Did this uplift occur before, during, or after the lava event?

The overview map below tells us a little about where that lava came from, and when.
» Read more

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August 18, 2022 Quick space links

10:50 am

As stringer Jay correctly noted to me in an email today, “Slow news day.” None of the stories below merit a full post, even though they are pretty much all of today’s space news.

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Russian spacewalk ends earlier due to spacesuit power problem

9:34 am

A Russian spacewalk yesterday to continue the configuration of Europe’s robot arm for the Russian half of ISS was cut short after four hours when the power system in Oleg Artemyev’s spacesuit begin producing unexpected “voltage fluctuations.”

“I have a message, voltage low,” Artemyev radioed Russian ground controllers around 12 p.m. EDT (1600 GMT). An engineer at Russia’s mission control center near Moscow warned Artemyev he would lose communications if his suit ran out of power.

Russian flight director Vladimir Solovyov then jumped on the line to tell Artemyev to head back to the safety of the airlock. “Oleg, this is Solovyov,” he said. “Drop everything and start going back (to the airlock) right away. Oleg, go back and connect to station power.”

This problem occurred about two hours into the spacewalk. The second astronaut, Denis Matveev, continued working at the robot arm for another two hours before mission control ordered him to end the walk early.

According to Russian officials, Artemyev was never in any danger, though the urgency in which he was ordered to come inside suggests otherwise. According to another news report, a power loss could have also shut down the spacesuit’s “pumps and the fan.”

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Get above 30 degrees latitude on Mars and you can find ice everywhere

1:23 pm

Global overview of Mars' ice features

Glacial features inside a Mars crater
Click for full image.

Today’s cool image provides further proof that there is ample near surface ice almost anywhere on Mars once you get above 30 degrees latitude, in either the northern or southern hemispheres. The photo to the right, rotated, cropped, reduced, and annotated to post here, was taken on May 26, 2022 by the high resolution camera on Mars Reconnaissance Orbiter (MRO). It shows the interior slope of an unnamed 15-mile-wide crater that sits inside the much larger 185-mile-wide Newton crater, located in the cratered southern highlands of Mars.

The black cross on the global map of Mars above marks the location of this crater.

The photo was taken as part of the routine monitoring planetary scientists are doing of the gullies that flow down this crater’s interior rim, a monitoring program that goes back to 2007. It is thought that those gullies might be created by seasonal frost, either water ice or dry ice, that causes erosion.

What struck me about the photo however was the glacial features on the floor of the crater. Near the bottom of the interior slope those features look broken up, as if the pressure from above pushed the ice sheets apart. Farther from the interior slope the features more resemble a typical glacial flow, slowly inching downward toward the crater’s low spot. All these glacial features also lend weight to the theory that water ice somehow caused or contributed to the formation of those gullies.

The global map above shows that this crater, while well within the 30 to 60 degrees mid-latitude band where many Martian glaciers are found, is also far from the many regions on Mars that scientists have mapped as having high concentrations of glaciers. And yet, the glacial features are here as well.

Near surface ice will not be found at every spot on Mars. However, once you get above 30 degrees latitude, the evidence increasingly suggests that you won’t have to go far or dig down deep to find it.

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A detailed description of Rocket Lab’s private Venus mission

10:00 am

Planned insertion of Rocket Lab's probe into Venus's atmosphere
Click for full figure.

Capitalism in space: In partnership with scientists at MIT, the Planetary Science Institute, and others, Rocket Lab engineers this week published a detailed description of the company’s planned privately funded mission to Venus, presently targeting a launch in May 2023.

From the paper’s abstract:

The Rocket Lab mission to Venus is a small direct entry probe planned for baseline launch in May 2023 with accommodation for a single ~1 kg instrument. A backup launch window is available in January 2025. The probe mission will spend about 5 min in the Venus cloud layers at 48–60 km altitude above the surface and collect in situ measurements. We have chosen a low-mass, low-cost autofluorescing nephelometer to search for organic molecules in the cloud particles and constrain the particle composition.

The figure above is figure 6 from the paper. It shows the probe’s planned path through Venus’s atmosphere. If the mission launches in May ’23 the probe would enter the atmosphere in October ’23.

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Samples from Ryugu prove the truly delicate and long-lived nature of the rubble-pile asteroid

9:27 am

Two new studies of samples brought back from the rubble-pile asteroid Ryugu by the Japanese probe Hayabusa-2 have found that the asteroid not only was never heated above 86 degrees Fahrenheit, it also contained dust grains older than the solar system itself.

The evidence from the first study, completed by Japanese scientists, suggested that:

  • 1.Asteroid Ryugu accreted some components that originated in the outer Solar System and contained abundant water and organics. The asteroid then traveled to the inner Solar System.
  • 2.Organics associated with coarse-grained phyllosilicates may serve as one of the potential sources of water and organics to the Earth.

The second study, using samples provided to American scientists, found two tiny dust grains that must have come from the material that existed before the formation of our solar system.

The team detected all the previously known types of presolar grains—including one surprise, a silicate that is easily destroyed by chemical processing that is expected to have occurred on the asteroid’s parent body. It was found in a less-chemically-altered fragment that likely shielded it from such activity.

This is not the first discovery of presolar grains, but their delicate existence in Ryugu confirms the conclusions of the first study, that Ryugu had to have formed in the outer solar system and then migrated inward over eons.

The second study also reviewed the make-up of the sample and concluded that Ryugu appears to most closely match the family of carbonaceous Ivuna-type (CI) chondrites, thought to be among the most primitive asteroids known, of which very few have been studied because of they rarely survive the journey through the Earth’s atmosphere.

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Astrobotic makes bid to buy assets of bankrupt Masten

9:02 am

Capitalism in space: Astrobotic, a startup focused on building lunar and planetary unmanned landers, has now made a formal bid to buy the remaining assets of Masten Space Systems, which had also been a startup focused on planetary missions but recently went bankrupt.

In a filing with the U.S. Bankruptcy Court for Delaware Aug. 14, Masten said it received a “stalking horse” bid of $4.2 million for Masten’s assets, including a SpaceX launch credit worth $14 million, from Astrobotic. The agreement, in effect, sets a minimum price for the sale of those assets but does not prevent Masten from seeking higher bids through an auction process that runs through early September.

The agreement appears to supersede an earlier agreement between Masten and a third lunar lander company, Intuitive Machines, included in Masten’s Chapter 11 filing July 28. That agreement covered the SpaceX launch credits alone and Masten did not disclose the value of it in its original filing.

Masten’s long term specialty has been vertical take-off and landing, something it has successfully done for the last several years on suborbital flights. This technology would be of great value to both Astrobotic and Intuitive Machines in developing their own first lunar landers.

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SLS arrives at launchpad

8:44 am

The Space Launch System rocket (SLS) that will fly on NASA’s first test launch of this rocket on August 29, 2022 has finally arrived at its launchpad, seven years late and about $20 billion overbudget.

In the coming days, engineers and technicians will configure systems at the pad for launch, which is currently targeted for no earlier than Aug. 29 at 8:33 a.m. (two hour launch window). Teams have worked to refine operations and procedures and have incorporated lessons learned from the wet dress rehearsal test campaign and have updated the launch timeline accordingly.

The rollout from the Vehicle Assembly Building took ten hours.

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InSight’s power status continues to hold steady on Mars

11:21 pm

InSight power status through August 14, 2022

According to a new status update posted today by the science team, the power status for the Mars InSight lander continues to hold steady.

The graph to the right adds the new data, showing that the daily watt hours of power produced each day continues to hold at 400, while the dust in the atmosphere continues to drop towards its normal level of between 0.6 and 0.7 tau during the non-dust seasons.

These new numbers appear to be generally good news. Even though the dust continues to settle out of the atmosphere, it does not appear to be adding dust on the solar panels that would reduce their capability to generate power. Though the science team had predicted that the power levels would cause the mission to end sometime in August, at 400 watts per hour InSight has apparently continued to generate enough electricity to keep its seismometer running for at least another week.

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August 16, 2022 Quick space links

2:06 pm

Tiangong-3 in orbit
Click to see full image.

Some quickie stories worth noting, most provided by stringer Jay:

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Jupiter’s internal structure, based on Juno data

12:05 pm

Jupiter's internal structure
Click for original figure.

Scientists using Juno data of Jupiter’s magnetic field, combined with computer modeling, have now produced a rough map of the gas giant’s internal structure.

The image to the right, figure 2, of their paper, shows that structure. I have annotated the figure to provide some sense of scale. The bold violet line indicates their conclusions about the size of the dynamo that drives Jupiter’s powerful magnetic field, comprising more than 80 percent of the planet’s internal diameter. From the caption:

The gray area depicts the core (0.2 RJ) and the possible dilute core region. The violet area between the dotted lines (0.68 and 0.84 RJ) depicts the [hydrogen-helium] phase separated layer. The top dotted line at 0.95 RJ depicts the depth where the jets decay down to the minimum. The arrows represent possible convection area with unknown origin depth.

While this is a good first hypothesis based on the available data, that data remains quite sparse and uncertain. Thus, the conclusions here must be taken with a great deal of skepticism.

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More evidence of recent active volcanism on Venus

11:37 am

In a just published paper, scientists using archive data from the Magellan radar orbiter that circled Venus from 1990 to 1994, combined with data from Europe’s Venus Express that orbited from 2006 to 2015, have detected more evidence of recent volcanic activity in a canyon dubbed Ganis Chasma located in a rift zone called Atla Regio.

From the paper’s conclusion:

The pattern of the radar emissivity in these regions is consistent with relatively young and unweathered materials. The transient IR-bright spots in these regions detected 20 years after Magellan, provide independent corroboration of active volcanism in Ganis Chasma since the 1990’s.

As a possible site of current tectonic and volcanic activity, Atla Regio represents one important science target for the upcoming missions to Venus.

There are presently four missions planned for Venus, Europe’s EnVision orbiter, NASA’s VERITAS and DAVINCI+ probes, and Russia’s Venera-D missoin. All will certainly take a closer look at this region to see if there is active volcanism going on there now.

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Dust and clouds in the Martian atmosphere, as seen by UAE’s Al-Amal orbiter

11:18 am

Two new science papers have just been released detailing results from the Al-Amal (Hope) Mars orbiter that was designed and built by American universities for the United Arab Emirates (UAE).

Both papers used data obtained from the orbiter’s infrared spectrometer, dubbed the Emirates Mars Infrared Spectrometer (EMIRS).

Daily cloud cover changes on Mars
Figure 1 from paper. Click for full image.

First, the instrument tracked the daily changes in the planet’s cloud cover.

A prominent region of clouds that is commonly observed near the equator during Mars’ cold season—known as the aphelion cloud belt—was observed to reach a minimum near midday, with more clouds typically observed in both the morning and afternoon. Distinct differences were found in clouds observed near volcanoes, which tended to reach a minimum before local noon and increase throughout the afternoon.

The figure to the right shows this. In the morning and afternoon (LTST’s 7 and 17), there is a high concentration of clouds in the equatorial region above the Tharsis Bulge where the highest Martian volcanoes are located. During the middle of the day (LTSTs 11 and 13) this cloud cover largely dissipates, with a corresponding increase in cloud cover in Hellas Basin, in the southern hemisphere.

The second paper took a more general look at the data, including the change in temperature depending on elevation as well as dust and water content during the Martian northern spring and summer. From the abstract:
» Read more

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China’s radar ship finally docks in Sri Lanka

9:00 am

Despite objections by India and an initial refusal by the Sri Lanka government to allow a Chinese military communications/radar ship to dock at one of Sri Lanka’s ports, the ship was finally allowed to dock yesterday.

Sri Lanka, which needs the support of both India and China as it struggles with its worst economic crisis in decades, initially granted the ship permission for a five-day replenishment stay in Hambantota, from Aug. 11.

It later asked China to delay the vessel’s arrival, citing the need for more consultations.

Yuan Wang 5 will now berth for only three days to stock up on fuel, food and other essentials, said an official at the port who declined to be identified as he is not authorised to speak to the media.

The ship is used by China to track satellites, rockets, and missiles, both its own and other nations.

Sri Lanka is caught between a rock and a hard place. The country is bankrupt, its citizens facing starvation due to the previous government’s imposition of numerous green environmental policies that destroyed its agriculture industry. It has also taken aid from both India (providing military hardware) and China (which built the port and holds a 99-year lease to operate it), and neither looks kindly at the other.

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Merger deal between Italian orbital tug company D-Orbit and Breeze canceled

8:52 am

Capitalism in space: The merger deal between the Italian orbital tug company D-Orbit and the special purpose acquisition investment company (SPAC) Breeze has been canceled.

The Italian company had hoped to raise $185 million from the deal to expand staff and accelerate investments in ION Satellite Carrier, its orbital transfer vehicle (OTV) that completed its first commercial mission in late 2020.

However, “financial markets have changed substantially” since the deal was announced Jan. 27, Breeze CEO Douglas Ramsey said, amid rising interest rates, soaring inflation, and an ongoing war in Ukraine. “As we look ahead, we remain focused on identifying another value creating opportunity for Breeze shareholders,” Ramsey added.

A SPAC is a shell company designed solely to gather investment capital that is then used to either buy or merge with another company. In the process the company that is taken over goes public, its stock available on the stock market for trade. There have been a number of such takeovers in the space sector in the past few years, but most have turned out poorly for the investors in those SPACs, as noted in the article:

Of the nine space companies that went public through SPAC mergers in 2021, only Rocket Lab’s shares finished the year trading above their price when the merger closed. [Ed: both Virgin Galactic and Astra are examples of these failures.]

Demand for new SPAC deals has also been waning amid declining investor appetite for risk and increasing regulatory scrutiny over how these blank check firms operate. More than 40 SPAC mergers have been canceled so far this year, reported Bloomberg.

To put it more bluntly, investors have found these SPACs to be poor investments, and are bailing from them. This is likely what happened at Breeze, thus forcing the cancellation of the deal with D-Orbit.

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Cones south of Starship’s prime landing sites on Mars

3:55 pm

Cones near Phlegra Mountains
Click for full image.

Cool image time! The photo to the right, cropped and reduced to post here, was taken on May 7, 2022 by the high resolution camera on Mars Reconnaissnace Orbiter (MRO). It shows what the scientists have labeled as “Cones in Phlegra.”

Cones such as these are one of the prime geological mysteries of Mars’ northern lowland plains. Scientists do not know yet whether they are either mud or lava volcanoes, or even if they are sedimentary mesas that resisted subsequent erosion. In fact, it was hoped by some American scientists that the Chinese would send its Zhurong rover north towards a nearby cone to find out, but alas, the Chinese decided to head south instead.

Zhurong however was on the other side of Mars. The overview map below shows us where these cones are located.
» Read more

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A distant cliff and a rocky path forward

11:11 am

Mosaic of Gediz Vallis
Click for full image.

Close-up of distant cliff face
Click for full image.

Two cool images arrived today from Curiosity, as it is about to enter the Martian canyon of Gediz Vallis. The mosaic above, cropped, reduced, and annotated to post here, was assembled from photos taken by the rover’s right navigation camera on August 15, 2022. The photo to the right, cropped and reduced to post here, was taken the same day by the rover’s Chemistry camera, normally designed to take very close-up pictures of nearby features. In this case the science team aimed it at a distant cliff face, marked by the arrow in the panorama above, to get a preview of some of the many layers in that mesa.

And has become quite expected from Mars, the number and types and variety of layers is astonishing. The layer that forms the flat bright area at the center of this image is what scientists have dubbed “the marker layer”, since they have found it at similar elevations in many places on the flanks of Mount Sharp. (See the annotated overview map from a post last week.)

Curiosity’s planned route is to head to the right of this mesa, circling around it to get into the upper reaches of Gediz Vallis. First however engineers are going to have to figure out how to get the rover past the somewhat large scattered rocks on the ground directly ahead, without further damaging Curiosity’s already tattered wheels. At first glance there does not appear to be any clear path.

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Russia to launch Tunisian astronaut to ISS

9:38 am

As part of an agreement between the two nations, Russia yesterday announced that it will fly a Tunisian woman to ISS in 2024.

On August 13, Women’s Day in Tunisia, eight women candidates for a space flight were presented. They are currently undergoing medical examination. Six of them will go to Russia for the final stage of pre-qualification to choose two best candidates: one will be a member of the main crew, the other one – of the standby crew.

No longer able to make money selling the spare seats on Soyuz to NASA, and apparently not getting much interest from the private sector inside or outside of Russia to buy these seats, the Putin government is now using them for international diplomacy, just as it did during the Soviet era.

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Russia unveils small model of its proposed space station

9:32 am

Tabletop Model of Russian Space Station

The Russian space agency Roscosmos today unveiled a small tabletop model of the independent Russian space station it proposes to build that will replace its portion on ISS.

The picture to the right shows that model. It shows four large modules, a second docking hub, and a Russian manned Federatsiya (“Federation” in English) capsule (intended to replace Soyuz) docked to the nearest port.

Roskosmos said in a statement that the new space station would be launched in two phases, without giving dates. The first phase would see a four-module space station start operating. That would later be followed by a further two modules and a service platform, it said. That would be enough, when completed, to accommodate up to four cosmonauts as well as scientific equipment.

Roskosmos has said the new station would afford Russian cosmonauts a much wider view of the Earth for monitoring purposes than they enjoy in their current segment. Although designs for some of the new station already exist, design work is still underway on other segments.

Russian state media have suggested that the launch of the first stage is planned for 2025-26 and no later than 2030. Launch of the second and final stage is planned for 2030-35, they have reported.

Russia officials have also said that it will stick with its partnership at ISS until this new station has begun operations.

It will be very revealing how successful Russia is at meeting this timetable. For the past thirty years, since the fall of the Soviet Union and the advent of international cooperation at ISS, its aerospace sector has routinely failed to meet any schedule at all, promising a lot but never delivering, or delivering literally decades late. (For example, Federatsiya has been under development for almost a decade, with no apparent progress.) Forced to go it alone, and in competition with the rest of the world, that sector, now controlled and owned by the government (like the Soviet days), might finally have some incentive to produce.

Or not. The corruption that permeates Russia’s government is deep and widespread. It is entirely possible that a large percentage of the money budgeted for this project ends up in the pockets of its managers instead of used to build anything.

We shall have to wait and see.

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August 14, 2022 Quick space links

1:06 pm

Some weekend news from BtB’s top stringer, Jay.

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Biden administration to formulate new regulations governing in-space commercial activities

11:09 am

We’re here to help you: The Biden administration has now officially announced its plans to formulate new regulations governing in-space commercial activities, such as satellite repair, orbital refueling stations, and removal of space junk, as part of a space strategy workshop statement released last week by the FCC.

The new White House initiative is a follow-on effort [to one started during the Trump administration], aimed at fleshing out the domestic rules, and possibly future regulations, for “non-traditional” space activities that today either fall between jurisdictional cracks or simply are not covered by current law, according to a US government source involved.

Another thrust of the Biden administration effort is to get in front of the governance issues in order to shape future global norms and rules, including for military activities — ahead of China, which also is seeking to be a leader in how humankind expands its reach to the stars.

Kamala Harris announced this new regulatory effort, outlined in this strategy document [pdf], and added that it will be led by the National Space Council, despite the fact that the FCC scooped her by a full week in announcing it. This quote below from her speech announcing this initiative also illustrated her empty-headed, cliche-ridden mentality:

“We will do this work to make sure our nation remains a role model for the responsible use of space,” Harris said in a speech during a visit to the Chabot Space & Science Center in Oakland, Calif. noting that the US “must write new rules to provide the clarity” needed by government and industry for 21st century space operations.

“We must think about where we now stand and where we must go,” she said. “The opportunity of space must guide our work in the 21st century. to do so, must deepen our partnerships with the private sector.”

Despite the vapid content of Harris’s speech, make no mistake she and the federal bureaucracy that is dominated and controlled by the Democratic Party knows exactly where it wants things to go: It wants power and control, and is very unhappy that in the past five years private enterprise has wrested that power and control from it in space. These new regulations will be shaped entirely with the goal of squelching the freedom of private companies so that the government runs things again.

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Professional software hacker demonstrates how to hack Starlink terminals

10:49 am

A professional software hacker not only recently succeeded in hacking the terminals SpaceX sells customers to use its Starlink satellite internet service, he first got a bounty from SpaceX for doing so, then made his technique freely available on the web for everyone else.

[Lennert] Wouters is now making his hacking tool open source on GitHub, including some of the details needed to launch the attack. “As an attacker, let’s say you wanted to attack the satellite itself,” Wouters explains, “You could try to build your own system that allows you to talk to the satellite, but that’s quite difficult. So if you want to attack the satellites, you would like to go through the user terminal as that likely makes your life easier.”

The researcher notified Starlink of the flaws last year and the company paid Wouters through its bug bounty scheme for identifying the vulnerabilities. Wouters says that while SpaceX has issued an update to make the attack harder (he changed the modchip in response), the underlying issue can’t be fixed unless the company creates a new version of the main chip. All existing user terminals are vulnerable, Wouters says.

Starlink says it plans to release a “public update” following Wouters’ presentation at Black Hat this afternoon, but declined to share any details about that update with WIRED prior to publication.

Wouters is a researcher at the Belgian university KU Leuven.

While it can certainly help SpaceX to figure this out, by publishing the hack to the world Wouters looks like a blackmailer unsatisfied with his payoff who is now following through with his blackmail threat. One also wonders why SpaceX, as part of its bounty payment, did not require Wouters to sign a non-disclosure agreement.

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SpaceX launches 46 more Starlink satellites

2:49 pm

Capitalism in space: SpaceX today used its Falcon 9 rocket to launch another 46 Starlink satellites into orbit from Vandenberg Space Force Base in California.

The first stage completed its 10th flight, landing on a drone ship in the Pacific. It was also the fourth flight for both fairing halves. During the live stream the announcer also mentioned that because SpaceX has recently switched to using Starlink for transmitting its launch video feeds, the loss of picture signal that use to occur during the landing of the first stage on the drone ship has almost completely vanished.

The leaders in the 2022 launch race:

36 SpaceX
30 China
11 Russia
6 Rocket Lab
5 ULA

American private enterprise now leads China 51 to 30 in the national rankings, and the entire world combined 51 to 48.

I should also add that the United States has now matched the number of launches achieved in 1962, the nation’s fifth highest total of successful launches in a single year.

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Curiosity finally looks out into Gediz Vallis

12:56 pm

First look into Gediz Vallis
Click to view full mosaic.

Overview map
Click for interactive map.

Cool image time! Curiosity’s right navigation camera today produced the mosaic above, cropped and reduced to post here, taking its first good look into Gediz Vallis, the canyon that the rover has been aiming for since it landed on Mars ten years ago.

The green dot on the overview map to the right marks the approximate location of a recurring slope lineae, a streak that comes and goes depending on the seasons whose cause remains uncertain. The yellow lines show the approximate area covered by the mosaic. The red dotted lines show Curiosity’s upcoming route. According to previously announced plans, the rover will not head straight into Gediz Vallis, but circle to the west or right of the mesa to the right of Kukenan.

The valley of course looks spectacular. For scale, the cliff face of Kukenan is estimated to be about 1,500 feet high.

The most important revelation from this image however is the ground terrain. It looks like Curiosity will have no problem moving forward into the canyon from this point, something the science team could not know for sure until the rover reached the saddle and could look down and actually see ahead.

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InSight seismometer data suggests no underground ice at landing site

9:25 am

Using a computer model combined with seismometer data gathered by the Mars lander InSight, scientists have concluded that there is little or no underground ice in the equatorial region where InSight sits.

From the paper’s abstract:

We use rock physics models to infer cement properties from seismic velocities. Model results confirm that the upper 300 m of Mars beneath InSight is most likely composed of sediments and fractured basalts. Grains within sediment layers are unlikely to be cemented by ice or other mineral cements. Hence, any existing cements are nodular or formed away from grain contacts. Fractures within the basalt layers could be filled with gas, 2% mineral cement and 98% gas, and no more than 20% ice. Thus, no ice- or liquid water-saturated layers likely exist within the upper 300 m beneath InSight. Any past cement at grain contacts has likely been broken by impacts or marsquakes.

As the lander sits just north of the equator in the red planet’s equatorial zone, which ample orbital data has suggested is a dry region (as shown in the global map below), this result is not a surprise. It does provide further confirmation however of this conclusion, that if there is any water on Mars within 30 degrees latitude of the equator, it will be deep underground, and likely only in certain regions.
» Read more

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Another and this time longer static fire tests for Superheavy prototype #7

9:02 am

Capitalism in space: SpaceX engineers yesterday conducted a second static fire engine test of the 7th prototype of its Superheavy first stage booster, firing a different engine for 20 seconds.

The action ramped up on Thursday (Aug. 11) for Booster 7, which conducted a much longer static fire on Starbase’s orbital launch mount. The burn, which occurred at 3:48 p.m. EDT (1948 GMT), lasted for 20 seconds, SpaceX said via Twitter (opens in new tab).

The long-duration burn aimed to “test autogenous pressurization,” according to a tweet posted by Musk (opens in new tab) shortly before Booster 7 fired up.

Expect these engine tests to occur on a regular basis over the next few weeks, as engineers ramp up their operations in preparation for the first orbital flight of both prototype #7 with Starship prototype #24 stacked on top.

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A typical Martian rock on Mount Sharp

10:03 am

Panorama of pass
Click for full 360 degree panorama.

Typical Martian rock
Click for full image.

Cool image time! The photo to right, taken by the Mars rover Curiosity on August 9, 2022, provides a nice close-up of what might be a somewhat typical rock on the flanks of Mount Sharp in Gale Crater, many layered with some of those layers extending outward to the side for somewhat ridiculous distances as thin flakes.

The scientists call it a float rock, because they think it actually fell from the cliff dubbed Bolivar in the panorama above. Thus, it gives geologists data on the layers higher up that are not easily accessible from Curiosity’s present position.

The panorama is a mosaic created from images taken by the rover’s right navigation camera on August 8, 2022. The white arrow marks the rock. The green dot marks the approximate location on the cliff face of a previously observed recurring slope lineae, streaks that appear to come and go seasonally whose origin is still not understood.

The red dots mark my guess as to the route engineers will pick for Curiosity as it weaves its way around the other float rocks ahead.
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