An idea worth pursuing I guess. My first question: in case this gets forgotten about in the distant future, how could it be marked so there’s a good chance of being found?
(Link to the AIBS journal article which inspired the question: https://academic.oup.com/bioscience/advance-article/doi/10.1093/biosci/biae058/7715645?login=false )
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The Sun is too small to nova, sorry to disappoint you!
Still gonna swallow Earth, though.