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Q&A How can I launch a projectile to hit something in orbit, using only geological structures and power sources?

As an ancient organism whom currently occupies a large chunk of a planet beneath the surface, I have a pesky issue with an invasive species. These humans have decided to colonize my home, mistaking...

14 answers  ·  posted 6y ago by NBJack‭  ·  last activity 6y ago by NBJack‭

Question planets aliens orbital-mechanics geology natural-defenses