Daily Telescope: Shooting a laser into the sky from Antarctica (arstechnica.com) angielski

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cross-posted from: lemmy.sdf.org/post/6593278...
cross-posted from: group.lt/post/46053...
Fireball sightings were reported in multiple states across the southeastern United States during the day on Thursday, which NASA determined was produced by an asteroidal fragment weighing over a ton and moving over 30,000 mph....
Washington (AFP) – The team behind the long-awaited Vera Rubin Observatory in Chile published their first images on Monday, revealing breathtaking views of star-forming regions as well as distant galaxies....