发信人: boblu.bbs@ptt.cc (六百) 看板: astronomy
标  题: Re: [新闻] 美国太空总署：我们的银河 充满系外行星
发信站: 批踢踢实业 (2012/02/11 Sat 01:25:08)

http://hubblesite.org/newscenter/archive/releases/2012/07/full/

"This means, statistically, every star in the galaxy should have at least one
planet, and probably more," said Sahu.

"Results from the three main techniques of planet detection are rapidly
converging to a common result: Not only are planets common in the galaxy, but
there are more small planets than large ones," said Stephen Kane, a co-author
from NASA's Exoplanet Science Institute at the California Institute of
Technology, Pasadena, Calif. "This is encouraging news for investigations
into habitable planets."

也有人主张 光是本银河系里的行星就是以千亿计的

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