Rabu, 21 April 2021

Google Alert - Science

Google
Science
Daily update April 22, 2021
NEWS
Space.com
NASA astronauts Shane Kimbrough and Megan McArthur, along with European Space Agency (ESA) astronaut Thomas Pesquet and Japan Aerospace Exploration Agency (JAXA) astronaut Akihiko Hoshide, make up the quartet of astronauts that will join the ...
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Space.com
Col. Michael Hopkins is a NASA astronaut and U.S. Air Force colonel. He served as commander on the Crew-1 SpaceX Crew Dragon, which launched on November 15, 2020. The mission represented the first commercial crewed spacecraft to travel to the ...
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Space.com
The 4-lb. (1.8 kilograms) chopper, known as Ingenuity, aced a 39-second hover above the floor of Mars' Jezero Crater on Monday morning (April 19), becoming the first aircraft ever to perform a powered, controlled flight on a world beyond Earth.
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Space.com
NASA's Perseverance rover just notched another first on Mars, one that may help pave the way for astronauts to explore the Red Planet someday. The rover successfully used its MOXIE instrument to generate oxygen from the thin, carbon dioxide-dominated ...
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Space.com
Under this new strategy, the agency will be "shifting acquisition of the exploration extravehicular activity (xEVA) system to a model in which NASA will purchase spacesuit services from commercial partners rather than building them in-house with traditional ...
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Space.com
CAPE CANAVERAL, Fla. — SpaceX and NASA have delayed the next launch of four astronauts to the International Space Station by 24 hours due to unfavorable weather conditions along the flight path. A SpaceX Crew Dragon capsule and Falcon 9 rocket ...
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Space.com
One of springtime's most prominent "shooting star" groups peaks overnight tonight (April 21-22). The famous Lyrid meteor shower will become visible in the Northern Hemisphere beginning at about 10:30 p.m. local time and continuing overnight, weather ...
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Space.com
'The Unicorn' lies a mere 1,500 light-years from us and is just three times more massive than the sun. Artist's illustration of the tiny black hole candidate known as "The Unicorn" tugging on its companion, a red giant star. (Image credit: Ohio State illustration by ...
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CNN
(CNN) Fifty years ago, NASA's Apollo 14 completed the third crewed mission to the moon. On board the spacecraft as it landed in the Pacific Ocean on February 9, 1971, was some unusual cargo -- about 500 tree seeds. The seeds -- loblolly pine, sycamore, ...
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Phys.Org
Excitons are technically not particles, but quasiparticles (quasi- meaning "almost" in Latin). They are formed by the electrostatic attraction between excited, negatively charged electrons, and positively charged holes. Holes are spaces left behind by the excited ...
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