A Congressman from Texas visits our National Observatory in Tucson, Arizona, and wants to be shown an object in the univer?se with the "biggest darn redshift you ever saw". What type of object should the astronomers show him?
A) a comet in the Kuiper Belt
B) one of the galaxies in our Local Group of galaxies
C) a star with a very low surface temperature
D) a quasar
E) an active galaxy that is in a rich cluster of galaxies just beyond the Local Group
Correct Answer:
Verified
Q14: Which of the following observations is a
Q15: How do astronomers explain the energetic jets
Q16: A distant quasar shows a large redshift
Q17: When quasars "shine" (in visible light and
Q18: If quasars often resemble little blue stars,
Q20: What method would astronomers use to find
Q21: Why do astronomers think that there are
Q22: For galaxies that have super-massive black holes
Q23: If a nearby galaxy still acts like
Q24: How are galaxies and quasars related?
A) quasars
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