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Author Question: Suppose that large jovian planets had never formed in our solar system. Which of the following would ... (Read 84 times)

khang

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on: Jul 27, 2018
Suppose that large jovian planets had never formed in our solar system. Which of the following would most likely be true?
 
  A) There would be a large empty region in our solar system between the orbit of Mars and the Kuiper belt.
  B) Earth would orbit much closer to the Sun.
  C) Neither the asteroid belt nor Oort cloud would exist.
  D) Earth would have suffered far fewer impacts.

Question 2

Why do elliptical galaxies appear yellow or red?
 
  A) They contain no hot, young blue stars
  B) They contain only massive-stars that have progressed to the red-giant stage
  C) They have very little dust or cool gas, and thus have little ongoing star formation
  D) A and B
  E) A and C


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fromAlphatoOmega22

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

C

Answer to Question 2

E


khang

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Reply 2 on: Jul 27, 2018
Excellent

tranoy

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Reply 3 on: Yesterday
Wow, this really help

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