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Results tagged with cosmology
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user 1092
Questions about the origin, history, evolution and fate of the Universe.
3
votes
Are we moving ever closer to the center of our Galaxy due to a super massive black hole?
There is an incorrect assumption in this question. There is no "super massive black hole which holds the galaxy together". There is just a super massive black hole.
It is often believed that black ho …
- 392
2
votes
1
answer
194
views
Difference in redshift between 2 interacting galaxies
I have a galaxy 'A', say at redshift 1. Let's suppose this galaxy has no peculiar velocity. What would be the redshift of another galaxy 'B', that has a radial velocity of 500 km/s, relative to A?
Al …
- 392