[Q&A] Nearby Rogue Planets, Beaming Power from Space, Solar Sail Propulsion

Could there be rouge planets floating in space between us and Alpha Centauri system? Will the Chinese be beaming power from a space station to Earth? Will solar sails be used for propulsion in our lifetime? And in our free bonus question on Patreon, how Lagrange points work for different planets and moons? Answering all these questions and more in this Q&A.

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• 00:00 Start


• 00:33 [Visto Tutti] Could there be rogue planets between us and Alpha-Cen?


• 03:59 [Wilkse1] Are there rogue black holes?


• 06:31 [KoiJoiJoe] Is the Chinese project to harvest solar energy in space and beam it to Earth real?


• 09:41 [KayKay14m] Will beaming power from space harm the atmosphere?


• 11:26 [Somadove] Will solar sails be used for propulsion in our lifetime?


• 13:21 [Abdul Samad Kholia] How can one work on realistic interstellar travel?

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