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1. Phil Plait's Bad Astronomy: Bitesize Astronomy
... Bad Astronomy . ... Bitesize Astronomy . ... The Nine Planets . ... Hey, it's either this or one of those really irritating PayPal donation buttons here. ... I have a snack from April 1998 that gives a brief intro to these peculiar objects , but briefly, brown dwarfs (or BDs for short) are objects that are a little less massive than "normal" stars, but bigger than any planets we currently know about. ... A star forms from a collapsing gas cloud. ... One more point: is a BD a star? ... 2008 Phil...
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Ссылки http://www.badastronomy.com/bitesize/bd.html -- 20.4 Кб -- 09.04.2016
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