Assertion: andromeda galaxy's halo | /r/HasProperty | metal-rich
Facets:
Source sentences:
text: According to Chapman, this was surprising since one of the key differences thought to exist between Andromeda and the Milky Way was that the former’s stellar halo was metal-rich and the latter’s was metal-poor.
text: Astronomers had previously thought that Andromeda’s stellar halo was metal-rich while the Milky Way