ultracool dwarf star
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TRAPPIST-1’s Fatal Flaw Could Ruin Our Hopes Of Finding Life There
In February, Earthlings rightfully cheered when NASA announced the discovery of seven Earth-like planets huddled together around an ultracool dwarf star. The system, called TRAPPIST-1, is especially appealing because it has three planets in the habitable zone, meaning their surfaces could hypothetically support liquid water and even life. As a result, everyone from seasoned astronomers…