Tag: spaceflight

NASA forces retraction of astronaut vision study due to privacy issues

9:01 pm

NASA has forced the retraction of an important science paper researching the damage to vision for astronauts on long spaceflights because of a concern the privacy of the astronauts might be violated.

According to the first author, the paper included information that could identify some of the astronauts that took part in the study — namely, their flight information. Although the author said he removed the identifying information after the paper was online, NASA still opted to retract it. But a spokesperson at NASA told us the agency did not supply the language for the retraction notice. The journal editor confirmed the paper was retracted for “research subject confidentiality issues,” but referred a question about who supplied the language of the notice back to NASA.

…According to first author Noam Alperin of the University of Miami Miller School of Medicine in Florida, the paper “Role of Cerebral Spinal Fluid in Space Flight Induced Ocular Changes and Visual Impairment in Astronauts” showed that visual damage caused by long space flights resulted from tiny shifts in the volume of spinal fluid — not vascular changes, as many experts had previously thought.

Protecting the health privacy of the astronauts is something NASA and the doctors that work with them are legally required to do. However, in this case the paper had been scrubbed of this information a long time ago. To force its retraction now when the actual. research was valid and important and the privacy of the astronauts was now protected seems an over reaction to me. Then again, NASA might be under legal pressure from the astronauts themselves, and thus forced to act.

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Bezos sells another $1 billion in Amazon stock to fund Blue Origin

9:33 am

Capitalism in space: Repeating a stock sale he did in May, Jeff Bezos this week sold another million shares of his Amazon stock to raise another $1.1 billion in cash to finance his Blue Origin rocket company.

The stock sale reduced his holdings in Amazon by 1.3% to 16.4% total.

With this much cash available, Bezos has the luxury of developing and building his business with no help from the government and completely free to do whatever he wants. This freedom puts him in a very enviable position.

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Builders of Ghana’s first satellite push for government help

9:36 am

The new colonial movement: The student engineers who built Ghana’s first satellite, GhanaSat-1 and launched in July, are pushing their government to establish the legal framework for future space activities in that country.

Student engineers behind the successful launch of Ghana’s first satellite into orbit have appealed to the government to set up a multi-stakeholder committee to come up with an act, the Ghana outer space act, a key requirement that would enable the country to ratify and sign the United Nations Outer Space Treaty.

They said if the country signed and ratified the treaty, it would give investors the signal and confidence that the country was ready for them to come and establish space science facilities.

The description in the article of what these students want suggests they do not quite understand the ramifications of all the UN space treaties, because it appears they also want Ghana to become signatories to them all. This would be a big mistake. While every country that launches satellites is a signatory to the Outer Space Treaty, very few have signed the Moon Treaty, as its language puts far more serious restrictions on property rights.

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Local tribe signs deal for Australian spaceport

9:05 am

Capitalism in space: An aboriginal tribe tribe in Australia has signed a lease with a new space company proposing to build a spaceport on their land where smallsat rockets can launch.

The Northern Land Council has granted a 275-hectare lease in northeast Arnhem Land to the Gumatj clan for use as a commercial rocket launching facility. That’ll pave the way for Gumatj Aboriginal Corporation to sublease the site to Equatorial Launch Australia, a firm whose $236 million space base proposal is being considered by federal and NT infrastructure funds.

The 12-year lease has an option for a 28-year extension, and is expected to be finalised later this month.

This is the first I have ever heard of Equatorial Launch Australia. Their website provides little information. Further web searches revealed little as well. My impression is that it is focused on creating a spaceport for the use of new Australian smallsat rocket companies. Whether it plans to launch its own rocket is unclear.

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Another Vostochny manager on trial for embezzlement

8:19 am

The Russians are prosecuting another manager at Vostochny for stealing more than $10 million.

[O]ut of 765 million rubles ($13 million) allocated under the contract with Federal State Unitary Enterprise Spetsstroytekhnologii, Tolstikov had only 100 million rubles ($1.7 million) left. The rest, according to him, he spent for construction trailers for workers.

It is amazing anything has been built at Vostochny. This case is in addition to the more than half dozen other embezzlement cases totaling almost $200 million, a very significant amount of money in Russia as well as a significant portion of the spaceport’s entire construction budget.

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MIT redwood forest design wins 2017 Mars City Design competition

7:52 am

A MIT design for an early Martian colony based on underground habitats topped by geodesic domes filled with redwood forests has won the 2017 Mars City Design competition.

At first glance, the MIT habitats don’t look very tree-like. They look more like giant glass balls sitting on the Martian plains, each housing 50 people. But, like real trees, much of the habitat is below the surface in the form of intricate tunnels that connect the spheres and provide protection from cold, radiation, micrometeorites, and other surface hazards. “On Mars, our city will physically and functionally mimic a forest, using local Martian resources such as ice and water, regolith or soil, and sun to support life,” says Sumini. “Designing a forest also symbolizes the potential for outward growth as nature spreads across the Martian landscape. Each tree habitat incorporates a branching structural system and an inflated membrane enclosure, anchored by tunneling roots. The design of a habitat can be generated using a computational form-finding and structural optimization workflow developed by the team. The design workflow is parametric, which means that each habitat is unique and contributes to a diverse forest of urban spaces.”

The habitats rely heavily on water, but not just for drinking, agriculture, or public fountains. It’s a key ingredient in making the domes habitable. “Every tree habitat in Redwood Forest will collect energy from the sun and use it to process and transport the water throughout the tree, and every tree is designed as a water-rich environment,” says Department of Aeronautics and Astronautics doctoral student George Lordos. “Water fills the soft cells inside the dome providing protection from radiation, helps manage heat loads, and supplies hydroponic farms for growing fish and greens. Solar panels produce energy to split the stored water for the production of rocket fuel, oxygen, and for charging hydrogen fuel cells, which are necessary to power long-range vehicles as well as provide backup energy storage in case of dust storms.”

This is a very nice concept, and an excellent approach. While they appear to assume the underground habitats will be artificially dug, there is no reason the tree domes can’t be placed over a Martian pit entrance to a cave.

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SpaceX aims for December 29 launch of Falcon Heavy

5:58 pm

Capitalism in space: SpaceX has set a date for the first Falcon Heavy launch as no earlier than December 29.

They hope to be able to do a number of dress rehearsal countdowns prior to actual launch, which is what makes this schedule somewhat tentative.

While SpaceX has ample experience lighting all nine engines of the Falcon 9 simultaneously, with every Falcon 9 going through a full duration hot fire at McGregor followed by a static fire on the launch pad before all nine engines are lit a third time for launch, no company in the U.S. rocket industry has experience lighting 27 engines at the same time.

While each of the three Falcon Heavy debut cores – two flight-proven cores for the side-mounted boosters (boosters B1023 and B1025) and a new core for the central core (booster B1033) – have undergone hot fire testing at McGregor, they were all fired separately because the Texas test site is not built to accommodate three cores at the same time.

This means SpaceX will not gain a full understanding of how all 27 engines light until the more-crucial-than-usual static fire at LC-39A at Kennedy.

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NASA wants private company to take over Spitzer Space Telescope

6:00 pm

NASA has issued a request for proposals from private companies or organizations to take over the operation of the Spitzer Space Telescope after 2019.

NASA’s current plans call for operating Spitzer through March of 2019 to perform preparatory observations for the James Webb Space Telescope. That schedule was based on plans for a fall 2018 launch of JWST, which has since been delayed to the spring of 2019. Under that plan, NASA would close out the Spitzer mission by fiscal year 2020. That plan was intended to save NASA the cost of running Spitzer, which is currently $14 million a year. The spacecraft itself, though, remains in good condition and could operating well beyond NASA’s current plan.

“The observatory and the IRAC instrument are in excellent health. We don’t have really any issues with the hardware,” said Lisa Storrie-Lombardi, Spitzer project manager, in a presentation to the committee Oct. 18. IRAC is the Infrared Array Camera, an instrument that continues operations at its two shortest wavelengths long after the spacecraft exhausted the supply of liquid helium coolant.

The spacecraft’s only consumable is nitrogen gas used for the spacecraft’s thrusters, and Storrie-Lombardi said the spacecraft still had half its supply of nitrogen 14 years after launch.

The way a private organization could make money on this is to charge astronomers and research projects for observation time. This could work, since there is usually a greater demand for research time than available observatories.

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Minotaur-C successfully launches 10 commercial smallsats

5:51 pm

Capitalism in space: Orbital ATK’s Minotaur-C rocket today successfully launched 10 commercial smallsats.

It appears that they have upgraded the accused Taurus rocket in renaming it Minotaur-C.

After Orbital ATK suffered a series of launch failures with the Taurus rockets — which led to the loss of NASA’s Orbiting Carbon Observatory as well as its Glory climate-monitoring satellite — the company redesigned the Taurus. The new and improved rocket uses newer and more reliable technologies that Orbital ATK had built for its other Minotaur rockets.

This success is a very good thing for Orbital ATK, as the rocket likely gives them a strong position in the emerging smallsat market.

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SpaceX completes installation of two antenna dishes in Boca Chica spaceport

8:40 am

Capitalism in space: SpaceX has completed the installation of two ground station antenna dishes in its Boca Chica spaceport that will be used to facilitate communications with its manned Dragon missions.

A SpaceX spokesman said the antennas will also be used to track flights from Boca Chica once they’re underway. The company acquired the 86-ton antennas from NASA’s Kennedy Space Center at Cape Canaveral and transported them to Boca Chica via semitrailer. The first antenna was installed this summer.

The article also implies that SpaceX plans to eventually launch manned missions from Boca Chica.

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Satellite data business to grow to $8.5 billion by 2026

8:35 am

Capitalism in space: An industry analysis says that the satellite data market should grow to $8.5 billion by 2026, with the potential to reach $15 billion.

Euroconsult has identified approximately 20 companies that have announced intentions to develop lower-cost constellations to collect data at a high rate of revisit based on smallsat and cubesat technologies. As of 2017, these new operators have attracted more than U.S.$600 million in venture capital to fund their initiatives. None of the newly announced initiatives have yet reached full capacity; for these constellations to come to fruition, additional investments will be required.

Competition is expected to be fierce on the supply side, as companies must differentiate themselves in the marketplace and bring innovative solutions to maintain market share. Consolidation (such as MDA and DigitalGlobe, OmniEarth and EagleView, Terra Bella and Planet) could linger as companies refine business models and continue to seek investments. DigitalGlobe, for example, is aiming to add a lower-cost satellite constellation (Legion) to its portfolio to counter the probable impact of low-priced solutions entering the market. Airbus will also develop its own very high resolution (VHR) optical system, given that the next generation French defence system will not be commercialized.

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Orbital ATK to launch first Minotaur-C in six and a half years

8:25 am

Capitalism in space: Orbital ATK will try today to successfully launch its renamed Taurus rocket, six and a half years after its previous two launches had ended in failure.

The rocket is now called Minotaur-C and will attempt to launch ten Planet Lab smallsats. As Taurus, the rocket failed 3 times out of 9 launches, and from what I could tell watching the launch industry, was basically a dead product. I am now astonished that it is coming back to life. Apparently, Planet Lab got a good launch price, and can take the risk since its smallsats represent a relatively small investment and can be replaced much more easily than the two research satellites (Orbiting Carbon Laboratory and Glory) that NASA lost in the rocket’s previous two launches more than half a decade ago.

The article outlines nicely the history of this rocket, and how its failures significantly set back the growth of Orbital ATK. Hopefully, it will succeed now, and provide the U.S. another player in the increasingly competitive global launch market.

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Chinese company gives live turtle a high altitude balloon flight

9:00 am

Capitalism in space: Chinese company has successful given a live turtle a high altitude balloon flight as prep for future tourism flights.

The news article is somewhat humorous in claiming the following:

Shenzhen-based Kuang-Chi Group said it blasted the yellow-headed turtle, nicknamed “Little Cloud”, to an altitude of 21,000 metres inside a helium-filled craft. The launch took place from western China’s Xinjiang region at about 4am on Wednesday morning.

The craft landed safely at about 8.28am the same day, and the turtle was said to have survived the trip.

The company said it was the first time a live animal had been safely taken into near space, and that the trip paved the way for it to sell commercial flights to humans by 2018 or 2019. [emphasis mine]

The company’s claim, highlighted above, is so incredibly not true it raises questions about their whole story. Humans have been taken by balloon to these elevations several times. This might be a poor translation, but then it indicates some incompetence by the reporter.

Either way, this company is aiming for the high altitude tourism market that World View in Tucson had initially been focusing on, but now seems to have abandoned.

Posted as we slog our way through Phoenix traffic.

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SpaceX to resume launches at second launchpad in December

8:18 am

Capitalism in space: SpaceX plans to resume launches in December at its second Kennedy launchpad that was damaged in the September 2016 explosion.

This means that after the mid-November launch of Northrop Grumman’s Zuma payload, they will begin the reconfiguration of that launchpad for Falcon Heavy. Initially the company had said it would take two months to complete that work, which would push the first Falcon Heavy launch into 2018. More recently they say they can get the work done in six weeks. Either way, this suggests that the first attempt to launch Falcon Heavy around the first of the year.

Posted on the road from Tucson to the Grand Canyon. This weekend I am running a new cave survey project there, and we are hiking down this afternoon, with the plan to hike out on Monday.]

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More hints that the first SLS launch will be delayed again

9:17 am

Government in action! The head of the Marshall Space Flight Center yesterday once again hinted that the first unmanned launch of SLS/Orion, presently scheduled for late in 2019, could be delayed again.

In September, the agency said in a statement that it would announce a new target date for EM-1 in October, citing the need to account for a range of issues, including progress on the European-built Orion service module and shutdowns at NASA centers from hurricanes in August and September.

However, an update in October is increasingly unlikely. “Within a few weeks, I think [NASA Acting Administrator Robert Lightfoot] intends to codify whatever that date is going to be,” Todd May, director of NASA’s Marshall Space Flight Center, said in remarks at the American Astronautical Society’s Wernher von Braun Memorial Symposium here Oct. 25.

Bill Hill, deputy associate administrator for exploration systems development at NASA, offered a similar assessment. “Probably in the next month, maybe sooner,” he said in an interview.

These hints have been standard operating procedure for announcing SLS’s endless delays for the past decade. First they make hints that a delay might happen, but reassure everyone that it is very unlikely. Then they follow this up later with announcements about how they need more time to accomplish all their goals. By the third announcement they outline a possible new schedule, including some delay but insist that it isn’t likely. Finally, they release the new dates, often as an aside during some other announcement in order to minimize the news.

It should be noted that the new dates have almost never been realistic. NASA has usually known that the new dates are interim, and that further delays will likely require more of this same dance to make them public.

So, here is my prediction: They are preparing us for the fact that the first unmanned flight will likely slip into 2020, which means the first manned flight slips for certain into 2023, as I have been predicting for the past three years.

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Saudi Arabia to invest $1 billion in Virgin Galactic and Virgin Orbit

9:05 am

Capitalism in space: Saudi Arabia and Virgin have signed a non-binding agreement for Saudi Arabia to invest $1 billion in Virgin Galactic and Virgin Orbit.

I’m not sure what to make of this press release. The agreement is clearly called “non-binding,” which means Saudi Arabia is not obliged to provide any funds. At the same time, the deal appears to shift power and control of the two Virgin companies to the Arab country, which if successful (a big “if”) would also quickly give Saudi Arabia both a manned and smallsat launching capability.

Why they chose Virgin appears at first baffling, considering that company’s repeated inability to achieve any of its promises. It could be, however, that Richard Branson’s funds are drying up, and that he needed this deal to keep both companies afloat. Saudi Arabia thus saw an opportunity and grabbed it.

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Boeing’s Starliner undergoing drop tests

8:53 am

Capitalism in space: Boeing’s Starliner manned capsule yesterday successfully completed the 11th of 14 drop tests in preparation for launch.

The article includes extensive comments by two NASA astronauts who are working with Boeing on these drop tests. I found this quote interesting:

[Sunita] Williams and [Eric] Boe said there are benefits and drawbacks to either type of landing, but they preferred land over water. Williams speaks from experience: She has already made a land landing aboard a Russian Soyuz capsule. “When you land on land, maybe it’s a little bit harder,” Williams said. “But when you’re coming down at high speed, the water’s hard, too.

“Landing on water, if somebody’s right there to rescue you and they know exactly where you’re coming down, that works. And we’ve shown that works with the Apollo program. But, landing on water — I’m a Navy guy, there’s a big ocean out there and it’s a little space capsule and there’s some definite risks to that, too.

“Landing on the Soyuz, you open the hatch, you smell the grass, you’re not in a huge rush to get out or stay in. You know you’re in a solid place and you know you can take your time getting out and the rescue forces will be there eventually, if they’re not there knocking on the door.”

The article also noted that Boeing plans to refurbish each capsule and reuse it up to ten times.

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The first large object identified coming from interstellar space

6:38 pm

Astronomers think they have spotted the first large object to come from beyond the solar system.

Based on its apparent brightness, dynamicist Bill Gray calculates that it would have a diameter of about 160 meters (525 feet) if it were a rock with a surface reflectivity of 10%. “It went past the Sun really fast,” Gray notes, “and may not have had time to heat up enough to break apart.”

Now it’s headed out of the solar system, never to return. It passed closest to Earth on October 14th at a distance of about 24,000,000 km (15,000,000 miles), and astronomers worldwide have been tracking it in the hopes of divining its true nature — especially whether it’s displaying any cometary activity.

…According to Gray, Comet PanSTARRS appears to have entered the solar system from the direction of the constellation Lyra, within a couple of degrees of right ascension 18h 50m, declination +35° 13′. That’s tantalizingly close to Vega — and eerily reminiscent of the plot of the movie Contact — but its exact path doesn’t (yet) appear to link any particular star.

This object entered the solar system moving at 26 km (16 miles) per second. At that speed, in 10 million years it would traverse 8,200,000,000,000,000 km — more than 850 light-years.

Reminds me of a really good science fiction novel I read recently. They should keep an eye on it for as long as they can, just in case it suddenly changes course and settles into a more circular orbit around the Sun. In the unlikely case it does that, it might just be the biggest discovery in history.

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Freon leak on U.S. part of ISS?

6:28 pm

A news report today says that an accident in the U.S. portion of ISS caused a freon leak.

The report also said there was a leak of ammonia, and that he crew is not in danger from either leak.

The report is also very vague and sparse with information, and appears to come from the Russians, since it also says that the leaks suggest “systemic problems in the operation of the station’s U.S. segment.”

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Lockheed Martin earnings down due to its commercial space divisions

9:00 am

Capitalism in space: Lockheed Martin’s third quarter earnings were down by one percent, partly due to reduced earnings in its commercial space divisions.

While other factors contributed to the drop in earnings, this quote highlights an important detail about the competition in the launch industry:

Reduced profits from Centennial-based rocketmaker United Launch Alliance caused some of LMSS’ decline, the company said. ULA is a joint venture of Lockheed Martin and Boeing Co. LMSS’ share of ULA’s launch-business profits dropped by $20 million to $45 million in the third quarter, the company said.

ULA’s profits dropped by one-third, which suggests that they are continuing to lose business to SpaceX because of its lower launch prices.

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Russia to up ISS crew back to three

8:55 am

In order to integrate the new Nauka module, expected to launch in 2019, the Russians plan to increase their crew size on ISS back to three in late 2018.

[L]ong before the Nauka’s arrival, the Russian crew members aboard the ISS will have their hands full with various chores preceding the docking of the 20-ton spacecraft, which will increase the size and mass of the Russian Segment by almost a third. Moreover, once the module is in place, Russian cosmonauts are expected to labor into the 2020 to fully plug all the systems of the new room into their home in orbit. The total time required to integrate Nauka is expected to reach 2,000 work hours, including 11 spacewalks!

The preparations for the addition of the long-awaited module were scheduled to begin less than a year from now on Sept. 8, 2018, with the launch of the three members of Expedition 57 crew aboard the Soyuz MS-10 spacecraft. The launch will mark the first time since October 2016 that a Soyuz will lift more than one Russian cosmonaut.

Nauka is more than a decade behind schedule, which puts it in the same league as SLS and Orion. But then, Nauka, like SLS and Orion, is a government-built project, so no one should be surprised that it has taken so long. The goal isn’t the exploration of space. The goal is to create jobs, even if they don’t accomplish anything for decades.

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NanoRacks successfully deploys its largest commercial smallsat from ISS

9:24 pm

Capitalism in space: NanoRacks today successfully deployed its largest commercial smallsat yet from ISS.

NanoRacks Kaber Deployment Program allows for a larger EXPRESS class of satellites to be deployed from the International Space Station, up to 100 kilograms. NanoRacks deploys these Kaber-class satellites currently through the Japanese Experiment Module Airlock, and will shift deployments to the NanoRacks Airlock Module when the Company’s commercial Airlock becomes operational (planned for 2019).

The key here is that NanoRacks is making money providing launch services to smallsats in partnership with ISS and others. They act as the go-between between the smallsat companies and the NASA bureaucracy, thus earning money by simplifying NASA’s generally Byzantine approval and launch process for private satellite companies.

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Vector’s third suborbital test flight set for January 2018

8:27 am

Capitalism in space: The third suborbital test flight of Vector’s Vector-R rocket has been scheduled for January 2018 in Mohave.

Vector has, to date, performed two test flights of the Vector, both only to very low altitudes. The first took place in May in California’s Mojave Desert and the second in August at the future site of Spaceport Camden on Georgia’s Atlantic coast. A third test, [company head Jim] Cantrell said, is planned for January, back in the Mojave Desert.

He raised a note of caution about that test. “We have a high chance of planting that one in the desert, because it’s using thrust vector control. We’re taking the training wheels off,” he said.

The article is mostly about Vector’s deal to launch from Wallops Island, which I noted last week. Much of that however is public relations that is far from reality. The important thing now is for Vector to finish its test program and prove its rocket can reach orbit.

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Engineers develop new technique to resume drill use on Curiosity

12:27 pm

Engineers have successfully tested a new drill procedure on a duplicate rover on Earth that bypasses the problem in Curiosity’s drill.

The problem with the drill has been its feed mechanism, which pushes the drill bit downward as it drills its hole. The tests with the duplicate rover on Earth have instead had the drill bit fully extended and used the robot arm itself to push downward. It worked, but the problem on Mars is holding the drill bit perfectly straight and not slipping sideways. They are now doing a test with Curiosity to address this.

Curiosity touched its drill to the ground Oct. 17 for the first time in 10 months. It pressed the drill bit downward, and then applied smaller sideways forces while taking measurements with a force sensor. “This is the first time we’ve ever placed the drill bit directly on a Martian rock without stabilizers,” said JPL’s Douglas Klein, chief engineer for the mission’s return-to-drilling development. “The test is to gain better understanding of how the force/torque sensor on the arm provides information about side forces.”

This sensor gives the arm a sense of touch about how hard it is pressing down or sideways. Avoiding too much side force in drilling into a rock and extracting the bit from the rock is crucial to avoid having the bit get stuck in the rock.

Stay tuned for a Mars rover update, coming shortly!

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The glory of Cassini’s Saturn

8:31 am

The glory of Saturn

Cool image time! The image on the right, reduced in resolution to post here, was taken by Cassini on August 17, 2017, one month before the spacecraft dived into Saturn to end its mission.

This view looks toward the sunlit side of the rings from about 19 degrees above the ringplane. The image was taken in green light with the Cassini spacecraft wide-angle camera on Aug. 12, 2017. Pandora was brightened by a factor of 2 to increase its visibility.

The view was obtained at a distance to Saturn of approximately 581,000 miles (935,000 kilometers) from Saturn. Image scale is 35 miles (56 kilometers) per pixel. The distance to Pandora was 691,000 miles (1.1 million kilometers) for a scale of 41 miles (66 kilometers) per pixel.

The moon Pandora can be seen in the full resolution image just beyond the outermost ring near the top of the screen.

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SpaceX barge damaged from fire after 1st stage landing

8:22 am

The drone barge used by SpaceX to successfully land a 1st stage during its October 11 launch was subsequently damaged by a fire on board during the return to port.

The exact series of events is unclear, but it is understood the booster leaked some of its residue RP-1 fuel, which flowed along the deck of the ASDS and pooled near the containers at the aft of the drone ship.

The booster then continued post-landing operations, designed to safe the booster ahead of crews boarding the ship to complete the safing process ahead of the trip back to port. At some point shortly after landing there was an ignition of the pooled RP-1, likely via the purging of the Triethylaluminum-Triethylborane (TEA-TEB) that is used as the first stage ignitor. This has to be purged as part of the safing procedures for allowing crew near the rocket. Fire hoses – staged on the deck of the ship – quickly doused the fire. However, the garage containing the robot – nicknamed “Roomba” or “OctaGrabber” (among other names) – was caught in the fire and damaged.

This was confirmed by the lack of the robot in view under the rocket during the ASDS’ return to Port.

It appears they are repairing the damages and that future barge landings will not be affected.

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