Three Doomed Worlds Around a Nearby Star Shed Light on Earth's Own Destiny ( www.sciencealert.com )
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T-20 minutes until the landing of Shenzhou 16, returning three taikonauts from the Tiangong space station....
In this video Anton Petrov talks about the ultimate logarithmic graph ever made - the one showing us everything in the universe. It discusses a recent publication “All objects and some questions” from Am. J. Phys. 91, 819–825 (2023) doi.org/10.1119/5.0150209
It has shone down upon the dinosaurs, inspired the greatest poets, and been explored by intrepid astronauts. But despite its enduring presence, quite when the moon came into being has remained a matter of debate. Now researchers say they have the answer, revealing the Earth’s satellite is 40m years older than previously...
cross-posted from: sh.itjust.works/post/6550992...
cross-posted from: sh.itjust.works/post/7595230...
The elusive Planet Nine, which is theorized to be lurking somewhere in the outer reaches of the solar system, may not be a planet after all, a new study suggests. Instead, what we assumed to be a massive object could be evidence that gravity doesn’t work like we thought it does. But the new theory doesn’t sit well with...
cross-posted from: sh.itjust.works/post/5990279...
cross-posted from: sh.itjust.works/post/5560248...
cross-posted from: sh.itjust.works/post/5559772...
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NASA is making the final preparations to recover samples from an asteroid that a spacecraft will bring back to Earth in September....
cross-posted from: lemmy.world/post/4059211...