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Author Question: Two stars are both spectral type K2V; if the closer is magnitude +3.7, and the fainter is magnitude ... (Read 45 times)

mckennatimberlake

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on: Jul 27, 2018
Two stars are both spectral type K2V; if the closer is magnitude +3.7, and the fainter is magnitude +8.7, then the brighter star is about ________ times closer.
 
  Fill in the blank(s) with correct word

Question 2

Why are collisions between galaxies more likely than collisions between stars within a galaxy?
 
  A) Galaxies have higher redshifts than stars.
  B) Galaxies travel through space much faster than stars.
  C) Galaxies are much larger than stars.
  D) Relative to their sizes, galaxies are closer together than stars.


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nekcihc358

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

10

Answer to Question 2

D


mckennatimberlake

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Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review

ghepp

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Reply 3 on: Yesterday
Excellent

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