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Author Question: A _____ is a large system of stars, star clusters, gas, dust, and nebulae orbiting a common center ... (Read 44 times)

chads108

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on: Jul 27, 2018
A _____ is a large system of stars, star clusters, gas, dust, and nebulae orbiting a common center of mass.
 
  A) galaxy
  B) spiral arm
  C) planet
  D) solar system

Question 2

Earth orbits the Sun _____.
 
  A) once a year
  B) twice a year
  C) three times a year
  D) four times a year


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uniquea123

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

A

Answer to Question 2

A


chads108

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Reply 2 on: Jul 27, 2018
Excellent

nanny

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Reply 3 on: Yesterday
Gracias!

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