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Astronaut requirements changing rapidly with private spaceflyers, long-duration missions – Space.com

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NASA’s 2017 Class of Astronauts participate in graduation ceremonies at the Johnson Space Center in Houston, Texas, on Jan. 10, 2020. This is the first class to graduate under the Artemis program, and the 13 astronauts are now eligible for assignments to the International Space Station, Artemis missions to the moon, and ultimately, missions to Mars. (Image credit: NASA)
Being an astronaut of the 2020s will be completely different than it was for any astronaut that came before, a panel of spacef…

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Climate change: ‘Cooling paint’ could cut emissions from buildings – BBC News

Researchers have developed a white paint that reflects sunlight and helps cool buildings.

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By Matt McGrathEnvironment correspondent
image copyrightGetty Images
A new type of white paint has the potential to cool buildings and reduce the reliance on air conditioning, say researchers.
In a study, the new product was able to reflect 95.5% of sunlight and reduce temperatures by 1.7C compared to the ambient air conditions.
The engineers involved say the impact is achieved by adding different-sized particles of calcium carbonate.
Buildings of all types are one of the biggest sources of CO2…

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SpaceX Starship go for nosecone installation forward after historic static fire – Teslarati

SpaceX CEO Elon Musk has confirmed that Starship and Raptor’s first triple-engine static fire was a success, opening the door for nosecone installation. Around…

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SpaceX CEO Elon Musk has confirmed that Starship and Raptor’s first triple-engine static fire was a success, opening the door for nosecone installation.
Around 3:13 am CDT, October 20th, Starship serial number 8 (SN8) successfully fired up three Raptor engines less than two hours after completing the first successful three-engine preburner test. With zero direct human intervention, SpaceX remotely detanked the rocket’s cryogenic liquid methane and oxygen propellant – the remnants now too warm to…

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NASA probe OSIRIS-REx ‘boops’ asteroid Bennu in historic mission – Phys.org

After a four-year journey, NASA’s robotic spacecraft OSIRIS-REx briefly touched down on asteroid Bennu’s boulder-strewn surface on Tuesday to collect rock and dust…

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After a four-year journey, NASA’s robotic spacecraft OSIRIS-REx briefly touched down on asteroid Bennu’s boulder-strewn surface on Tuesday to collect rock and dust samples in a precision operation 200 million miles (330 million kilometers) from Earth.
The so-called “Touch-And-Go” or TAG maneuver was managed by Lockheed Martin Space in Denver, Colorado, where at 6:12 pm (2212 GMT) an announcer said: “Touchdown declared. Sampling is in progress,” and scientists erupted in celebration.
The historic…

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