Thursday, January 28, 2016

[ehxxgwwm] Andromeda standstill

The Andromeda galaxy as a whole is slowly moving toward us.  But the galaxy is spinning, so there are probably regions moving away from us.  Where are the regions, probably bands, that have zero radial velocity with respect to the Milky Way?  With respect to Earth (factoring the motion of Earth within the Milky Way)?

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