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Author Question: A supermassive black hole in the center of a galaxy typically represents ____ of the galaxy's total ... (Read 113 times)

shenderson6

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on: Jul 27, 2018
A supermassive black hole in the center of a galaxy typically represents ____ of the galaxy's total mass.
 
  a. a tiny fraction of a percent
  b. about a percent
 c. 1-5
 d. 10
 e. 50

Question 2

A spectrograph spreads out light according to ____ to form a spectrum.
 
  a. wavelength
  b. frequency
 c. interference
  d. aberration
 e. grating


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xoxo123

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

a

Answer to Question 2

a


shenderson6

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Reply 2 on: Jul 27, 2018
Gracias!

debra928

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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