At least 10 billion stars in our Milky Way galaxy can support habitable planets
Earth.com   21 hours ago
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At least 10 billion stars in our Milky Way galaxy can support habitable planets  Earth.comAstronomers Detect a Possible Signature of Life on a Distant Planet  The New York TimesA possible sign of life on K2-18b? Here’s what it means — and why it's...