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HubbleSite Hubble Data Suggest Galaxies Have Giant Halos

  • Thread starter Space Telescope Science
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Space Telescope Science

NASA's Hubble Space Telescope has helped solve a two-decade-old cosmic mystery by showing that mysterious clouds of hydrogen in space may actually be vast halos of gas surrounding galaxies.

"This conclusion runs contrary to the longstanding belief that these clouds occur in intergalactic space," says Ken Lanzetta of the State University of New York at Stony Brook.

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