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Q&A Plausible reason not to notice a planet

Imagine a generation ship heading for a distant star. Humanity had means to observe that star up to a point, that it is 99.9% sure the star has a colonizable Earth-like planet (with water and atmos...

9 answers  ·  posted 4y ago by Maxim Zabolotskikh‭  ·  last activity 4y ago by Maxim Zabolotskikh‭

Question space planets telescope