For panspermia to occur, however, microorganisms need to survive not only ejection from the first planet and atmospheric entry to the second but the interplanetary voyage itself.

 
  • 然而,胚种说真要发生,微生物除了从第一颗行星喷发、进入第二颗行星的大气时必须幸存之外,还要能在整个行星际旅程中保住小命。
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