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Home Q & A Board Science-Related Homework Help Physics Astronomy
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JNASTY123 JNASTY123
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6 years ago
Mars and Mercury are similar in size, and Mercury is even denser. Why then is it that Mars has more atmosphere?
 
  What will be an ideal response?

Question 2

According to current evidence, Pluto is best explained as
 
  A) a large member of the Kuiper belt.
  B) a terrestrial planet that is surprisingly far from the Sun.
  C) a very small jovian planet.
  D) an escaped moon of Jupiter or Saturn.

Question 3

According to current understanding, how did the first generation of stars differ from stars born today?
 
  A) They contained much more hydrogen and helium than stars born today.
  B) They were much cooler in temperature than most stars born today.
  C) They were much more likely to be members of binary star systems than stars are born today.
  D) They were much more massive than most stars born today.

Question 4

Earth's atmosphere resulted from the impact of icy planetesimals that originated in the outer regions of the Solar System.
 
  Indicate whether the statement is true or false

Question 5

What gives the most direct view into the Sun's core?
 
  What will be an ideal response?
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esimpso3esimpso3
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6 years ago
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JNASTY123 Author
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#2
6 years ago
I can see it now, thanks for clarifying with correct answers
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#3
6 years ago
Make sure to mark the topic solved
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