alb5566402

Abell 21, the Medusa Nebula in the constellation Gemini.

This is the faint but large planetary nebula known as the Medusa Nebula, but officially Abell 21 or PK 205+14.1 in Gemini. It was discovered in 1955 and was once classified as a supernova remnant. The very sparse open cluster NGC 2395 is at upper right from the nebula.. The nebula is thought to be 4 light-years across and 1500 light-years away.

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Titre:

Abell 21, the Medusa Nebula in the constellation Gemini.

Légende: Voir la traduction automatique

This is the faint but large planetary nebula known as the Medusa Nebula, but officially Abell 21 or PK 205+14.1 in Gemini. It was discovered in 1955 and was once classified as a supernova remnant. The very sparse open cluster NGC 2395 is at upper right from the nebula.. The nebula is thought to be 4 light-years across and 1500 light-years away.

Crédit:

Album / Alan Dyer/Stocktrek Images

Autorisations:

Modèle: Non - Propriété: Non
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Taille de l'image:

6300 x 4261 px | 76.8 MB

Taille d'impression:

53.3 x 36.1 cm | 21.0 x 14.2 in (300 dpi)

Mots clés:

ART, PHOTOGRAPHIE • ASTRONOMIE • ASTROPHYSIQUE • COSMOS • DEHORS • EN PLEINE NATURE • INSTANTANE (PHOTO) • INSTANTANÉ • NÉBULEUSE • OBSERVATOIRE • PHOTOGRAPHIE • PLANETARIUM • SCIENCE: ASTRONOMIE • SNAPSHOT