Phrases with «gravitational contraction»

But a sun powered by gravitational contraction would have burned itself out long ago. (sciencenews.org)
A new star is formed by gravitational contraction of an interstellar molecular cloud consisting of gas and dust. (sciencedaily.com)
© Estate of John Whatmough — larger image (Artwork from Extrasolar Visions, used with permission from Whatmough) Glowing red through gravitational contraction, the candidate brown dwarf companion to Proxima Centauri is depicted with two moons (one eclipsing the flare star) with distant Alpha Centauri A and B at upper right, as imagined by Whatmough. (solstation.com)
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