对地外生命的探索。
The search for extraterrestrial life.
作者信息
Sagan C
机构信息
Laboratory for Planetary Studies, Cornell University, USA.
出版信息
Sci Am. 1994 Oct;271(4):92-9. doi: 10.1038/scientificamerican1094-92.
Abstract
The earth remains the only inhabited world known so far, but scientists are finding that the universe abounds with the chemistry of life.
摘要
地球仍然是目前已知唯一有生命居住的世界，但科学家们发现宇宙中充满了生命的化学物质。
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