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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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on: Jul 27, 2018
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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Reply #1 on: Jul 27, 2018
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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