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Q&A How big can a nebula be?

How big could a nebula be? If a spaceship were traveling 300,000 times the speed of light (assuming this were possible and had no other effects, such as time travel or time dilation) is it plausibl...

3 answers  ·  posted 7y ago by ScienceKeanu‭  ·  last activity 6y ago by ScienceKeanu‭

Question space travel space-travel nebula