出典:Wiktionary
出典:『Wiktionary』 (2025/02/27 01:18 UTC 版)
panspermia (uncountable)
出典:Wikipedia
出典:『Wikipedia』 (2011/08/02 20:36 UTC 版)
Panspermia (Greek: πανσπερμία from πᾶς/πᾶν (pas/pan) "all" and σπέρμα (sperma) "seed") is the hypothesis that life exists throughout the Universe, distributed by meteoroids, asteroids and planetoids.