Spiral galaxies
type: Concept
narrower: Andromeda Galaxy

Local Group
type: Concept
narrower: Andromeda Galaxy

Andromeda Galaxy
type: Concept
alternative label: NGC 224
alternative label: Messier 31
alternative label: M31
definition: The nearest spiral galaxy to our own and a major member of the Local Group. It lies in the constellation Andromeda and is the most remote object normally visible to the naked eye. The earliest known reference to this galaxy is by the Iranian astronomer Sufi who called it 'the little cloud' in his Book of Fixed Stars (A.D. 964).
modified: 2020-10-26T18:40:03.344Z
modified: 2020-11-03T17:40:10.991Z
broader: Spiral galaxies
broader: Local Group
contributor: AAS Frey.Katie