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Author Question: Which of the following objects never collide with the Earth? A) Apollo asteroids B) Amor ... (Read 69 times)

naturalchemist

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Which of the following objects never collide with the Earth?
 
  A) Apollo asteroids
  B) Amor asteroids
  C) Aten asteroids
  D) long period comets
  E) short period comets

Question 2

Which of the following discoveries, if they existed, would necessitate a reevaluation of our ideas of stellar formation?
 
  A) a cluster of stars that appeared to be 13 billion years old
  B) a 100-solar-mass star
  C) a 0.01-solar-mass star
  D) a molecular cloud without any stars
  E) planetary systems around other stars than our own



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medine

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Answer to Question 1

B

Answer to Question 2

C




naturalchemist

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Reply 2 on: Jul 27, 2018
Gracias!


ktidd

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Reply 3 on: Yesterday
Wow, this really help

 

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