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Q&A How can black holes be used for daredevil gravity slingshot sport?

This is set in the same universe as my Andromeda galactic war question (same tech level). In this question, I had somewhat purposely labelled the galactic core as "off-limits" (black holes and oth...

3 answers  ·  posted 7y ago by System‭  ·  last activity 7y ago by System‭

Question space technology black-holes