Assertion: andromeda galaxy | /r/HasProperty | spiral
Facets:
value: as spiral nebulae
type: OTHER
Source sentences:
text: The Andromeda galaxy (also known as Messier 31, M31 or NGC 224), a spiral, is the largest member of the Local Group of galaxies and along with the Milky Way, both dominate the Local Group.
text: The two largest members, the Andromeda Galaxy and the Milky Way, are both spiral galaxies with masses of about 1012 solar masses each, and each have their own system of satellite galaxies:
text: The Andromeda Galaxy, for instance, was once referred to as the Andromeda Nebula (and spiral galaxies in general as "spiral nebulae") before the true nature of galaxies was confirmed in the early 20th century by Vesto Slipher, Edwin Hubble and others.