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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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NASA’s Osiris-Rex set to grab a piece of asteroid Bennu: How to watch live – CNET

NASA’s van-size asteroid-chaser will attempt to swipe space souvenirs from Bennu Tuesday to bring home to Earth. But it might not be easy.

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Artist’s conception of NASA’s Osiris-Rex spacecraft collecting a sample from the asteroid Bennu.
NASA/Goddard/University of Arizona
NASA’s Osiris-Rex spacecraft will briefly touch down on a large asteroid Tuesday and grab some rocks and dust from its surface to be returned to Earth for study. The event marks a major first for NASA and a potential boon for science, space exploration and our understanding of the solar system. Lockheed Martin Space will stream the daring mission live and we have …

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What’s Happening with Betelgeuse? Astronomers Propose a Specialized Telescope to Watch the Star Every Night – Universe Today

An international team of astronomers recommends creating “Betelgeuse Scope” to monitor this mysterious star find out why it has been acting so strangely of late…

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Starting in late 2019, Betelgeuse began drawing a lot of attention after it mysteriously started dimming, only to brighten again a few months later. For a variable star like Betelgeuse, periodic dimming and brightening are normal, but the extent of its fluctuation led to all sorts of theories as to what might be causing it. Similar to Tabby’s Star in 2015, astronomers offered up the usual suspects (minus the alien megastructure theory!)
Whereas some thought that the dimming was a prelude to the…

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Glimpse deep into Earth’s crust finds heat source that may stabilize continents – Phys.org

Rocks from the Rio Grande continental rift have provided a rare snapshot of active geology deep inside Earth’s crust, revealing new evidence for how continents …

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Rocks from the Rio Grande continental rift have provided a rare snapshot of active geology deep inside Earth’s crust, revealing new evidence for how continents remain stable over billions of years, according to a team of scientists.
“We tend to study rocks that are millions to billions of years old, but in this case we can show what’s happening in the deep crust, nearly 19 miles below the surface of the Earth, in what geologically speaking is the modern day,” said Jacob Cipar, a graduate studen…

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What’s Happening with Betelgeuse? Astronomers Propose a Specialized Telescope to Watch the Star Every Night – Universe Today
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Glimpse deep into Earth’s crust finds heat source that may stabilize continents – Phys.org
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Scientists clock the fastest interval of time in ‘zeptoseconds’ – NBC News