Image of a northern section of M101, made from a combination of red (R) and almost-infrared (I) bands, displayed using false color. The Pinwheel Galaxy is a face-on spiral galaxy distanced 21 million light-years (six megaparsecs) away in the constellation Ursa Major, first discovered by Pierre Mechain on March 27, 1781, and communicated to Charles Messier who verified its position for inclusion in the Messier Catalogue as one of its final entries. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / NSF / NOAO / WIYN / John Jurcevic (Indiana) / Mike Pierce |
Taille de l’image : | 3750 px × 3748 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |