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(adapted from an argument made in this paper: arxiv.org/abs/2509.04165).
(adapted from an argument made in this paper: arxiv.org/abs/2509.04165).
But seriously, not a bad point!
But seriously, not a bad point!
168 hr arc = observed over a period of 1 week so far, and e~9 meaning convincingly interstellar (anything >~1 is not bound to the Sun).
168 hr arc = observed over a period of 1 week so far, and e~9 meaning convincingly interstellar (anything >~1 is not bound to the Sun).
K2-18b is back in the news, now with a bold claim that biosignature molecules (DMS and/or DMDS) have been 'detected at 3σ'.
Most exoplanet astronomers are extremely sceptical about these claims, let's see why (1/n).
🔭🧪🪐 #exoplanet