Pythagorean Astronomy: Habitable zones, Lunar landers and Interstellar interlopers

Posted on 26 September 2019 by Chris North

The space news cycle was dominated for a while this month with the discovery of water vapour in the atmosphere of planet K2-18b. The planet is in the habitable zone of its star, but is somewhat larger than the Earth – what does that mean for its habitability? Meanwhile, radio astronomers have discovered the most
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