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Reblogged by pzmyers@octodon.social ("pzmyers 🦑"):
michael_w_busch@mastodon.online ("Michael Busch") wrote:
@FeralRobots @pzmyers Geologists have found interstellar material mixed in with ocean sediment before.
That's how, for example, we know that there were supernovae relatively nearby to Earth 2.5 and 7.5 million years ago: https://www.nature.com/articles/nature17196 .
Cool science. Not aliens.
And not at all what Avi Loeb is doing.