Assertion: andromeda galaxy's disk | /r/HasProperty | stellar population
Facets:
Source sentences:
text: There have been interactions with satellite galaxies like M32, M110, or others that have already disappeared absorbed by M31 that have formed structures like Andromeda's Giant Stellar Stream and a merger roughly 100 million years ago that is behind a counter-rotating disk of gas found in the center of M31 as well as the presence there of a relatively young (100 million years) stellar population.
text: There have been interactions with satellite galaxies like M32, M110, or others that have already disappeared, absorbed by Andromeda that have formed structures like Andromeda’s Giant Stellar Stream and a merger roughly 100 million years ago that is behind a counter-rotating disk of gas found in the center of M31 as well as the presence there of a relatively young (100 million years) stellar population.