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Science, 1999
Several millennia ago, the Greeks coined the word “planet,” or wanderer, to describe the five roving objects they saw chaotically traversing the sky. Today, our knowledge of these other worlds has accelerated beyond the solar system: The first extrasolar planet was reported in 1995, 20 more ...
Elizabeth Culotta, Linda Rowan
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Several millennia ago, the Greeks coined the word “planet,” or wanderer, to describe the five roving objects they saw chaotically traversing the sky. Today, our knowledge of these other worlds has accelerated beyond the solar system: The first extrasolar planet was reported in 1995, 20 more ...
Elizabeth Culotta, Linda Rowan
openaire +1 more source
Planetary Systems and Extraterrestrial Life
Origins of Life, 1974The paper reviews the present status of the problem of the existence of other planetary systems in the Galaxy. Observational data and theoretical results are presented to show that the occurrence of planetary systems is, most probably, not a universal phenomenon. Study of the stability of planetary orbits in the vicinity of double stars indicates that,
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Science, 2008
The diversity of extrasolar planets and planetary systems challenges present theories of planetary system formation.
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The diversity of extrasolar planets and planetary systems challenges present theories of planetary system formation.
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