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| Mirror Earth ： ウィキペディア英語版 |
Mirror Earth
''Mirror Earth: The Search for Our Planet's Twin'' is a 2012 non-fiction book by Michael D. Lemonick. It discusses the work of "exoplaneteers"—defining the term as a group of scientists looking through various other solar systems to detect alternate planets that are suitable for possible life.〔
Lemonick has served as a science journalist for ''Time'' as well as an author of multiple other books such as ''Echo of the Big Bang''. Positive reviews for his latest book appeared in publications such as ''Kirkus Reviews'',〔 ''Publishers Weekly'',〔 and ''The Wall Street Journal''.〔
==Contents==
Lemonick describes the diverse methods with which astronomers work to try and find Earth-like planets. Some evaluate images of clumps of stars, tens of thousands of them together, in order to pick up slight reductions in brightness caused by planets passing in front of their host stars, some examine individual stars for planetary gravitation influences, and others focus on stars considerably smaller than the Earth's sun to pick up more easily detectable planetary information.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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