Pythagorean Astronomy: interstellar comets, black holes and gravitational waves

Posted on 31 October 2019 by Chris North

October 2019 saw the first all-female spacewalk, and the discover of 20 new moons of Saturn. There were also more observations of interstellar comet Borisov, and evidence for the Milky Way’s black hole having sent out a violent flare several million years ago. Chris North and Edward Gomez discuss these latest stories. October also saw
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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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