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Q&A Can a habitable planet have mini-suns (i.e. solar satellites or glowing moons)?

Suns are stars. They are orbited by planets, and sometimes other stars. Planets are orbited by moons. Reasonably advanced civilizations may launch artificial satellites into orbits around their pla...

5 answers  ·  posted 9y ago by Crissov‭  ·  last activity 7y ago by Crissov‭

Question earth-like astronomy sunlight earth light