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News Release 243 of 291

March 31, 1995 12:00 AM (EST)

News Release Number: STScI-1995-22

Hubble Data Suggest Galaxies Have Giant Halos

March 31, 1995: 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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Credit: STScI, NASA