Image:Messier51.jpg

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Public domain This file is in the public domain because it was created by NASA and the European Space Agency. Hubble material is copyright-free and may be freely used as in the public domain without fee, on the condition that NASA and ESA is credited as the source of the material. The material was created for NASA by STScI under Contract NAS5-26555 and for ESA by the Hubble European Space Agency Information Centre. [1] or [2].

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SOURCE: http://antwrp.gsfc.nasa.gov/apod/ap050428.html SOURCE OF 2ND VERSION: http://www.spacetelescope.org/images/html/heic0506a.html also bigger versions up to about 12000x8000 pixel available

The Whirlpool Galaxy (Spiral Galaxy M51, NGC 5194) is a classic spiral galaxy located in the Canes Venatici constellation.


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