Research NewsAstronomy

Gas Clouds May Be Relics of Creation

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Science  31 Jan 1997:
Vol. 275, Issue 5300, pp. 619
DOI: 10.1126/science.275.5300.619

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Summary

TORONTO—Astronomers had thought that the high-speed clouds of hydrogen atoms that roam through space are accelerated by supernova explosions within our galaxy. But a new proposal argues that they may be something much grander: huge, distant remnants of the galaxy's formation that extend well beyond the Milky Way and could fuel the formation of new stars for billions of years into the future.

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