a collection of a few hundred to a few thousand galaxies bound by gravity a coll

Question

a collection of a few hundred to a few thousand galaxies bound by gravity a collision and subsequent merger of two roughly equal-sized galaxies the cluster of galaxies, of which the Milky Way is a member a gravitationally bound collection of many clusters of galaxies a very luminous galaxy, often containing an active galactic nucleus a star-like object with a very large redshift another name for a quasar a galaxy that emits an unusually large amount of radio waves vast region of radio emission on opposite sides of a radio galaxy a spiral galaxy with a bright nucleus whose spectrum exhibits emission lines type of nonthermal radiation produced by high-speed charged particles as they are accelerated in a strong magnetic field radio galaxy radio lobe galaxy galactic merger Local Group supercluster cluster (of galaxies) QSO quasar AGN synchrotron radiation

Explanation / Answer

1 g

2 d

3 e

4 f

5 a

6 i

7 h

8 b

9 j

10 c

11 k

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