Posted on Jun 28, 2021 in Astronomy, Science News, Space
An ‘Alien’ Thought Experiment — “Could Advanced Life in Near-By Star Systems Have Observed Earth Over the Eons?”
“Rare in the Cosmos?” –Earth-like Biospheres
“We Have No Idea of Why They Exist” –Weird Dark-Matter-Free Galaxies
The Monster Galaxy at the Dawn of Time –“What Does Its Discovery Imply?”
“Next Up” –Event Horizon Telescope’s Picture of Milky Way’s Supermassive Black Hole
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