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Author Question: If Star A is closer to us than Star B, then Star A's parallax angle is ________. A) fewer parsecs ... (Read 200 times)

newyorker26

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on: Jul 27, 2018
If Star A is closer to us than Star B, then Star A's parallax angle is ________.
 
  A) fewer parsecs than that of Star B B) hotter than that of Star B
  C) smaller than that of Star B D) larger than that of Star B

Question 2

Why do rich clusters of galaxies contain a larger fraction of ellipticals than normal?
 
  What will be an ideal response?


recede

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Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

In the densest clusters, collisions happen frequently, tearing off the spiral arms and dissipating their material into the intergalactic medium at high temperatures.


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