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M51: The Whirlpool Galaxy
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M51: The Whirlpool Galaxy
Credit & Copyright: W. Keel (U. Alabama), 1.1-meter Hall Telescope, Lowell Observatory
Explanation: The Whirlpool Galaxy is a classic spiral galaxy. At only 15 million light years distant, M51, also cataloged as NGC 5194, is one of the brighter and more picturesque galaxies on the sky. The smaller galaxy appearing here above and to the right is also well behind M51, as can be inferred by the dust in M51's spiral arm blocking light from this smaller galaxy. Astronomers speculate that M51's spiral structure is primarily due to it's gravitational interaction with this smaller galaxy.

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Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (USRA)
NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.

Russkii tekst
Based on Astronomy Picture Of the Day
Publikacii s klyuchevymi slovami: M 51 - Whirlpool galaxy - spiral'naya struktura - galaktika Vodovorot
Publikacii so slovami: M 51 - Whirlpool galaxy - spiral'naya struktura - galaktika Vodovorot
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