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Q&A May beings that jump off from planets for interplanetary travel be possible?

Some days ago I had a discussion with a friend about possible alien life forms. He was stating that there anywhere could be lifeforms that do interplanetary or even interstellar travel by jumping ...

4 answers  ·  posted 8y ago by Zaibis‭  ·  last activity 8y ago by Zaibis‭

Question space travel reality-check creature-design space-travel