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Home Q & A Board Science-Related Homework Help Physics Astronomy
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emmybay02 emmybay02
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6 years ago
The universe's density, compared to the critical density, determines the ________ of space.
 
  Fill in the blank(s) with correct word

Question 2

Dark dust clouds are optically invisible, but give off radio energy.
 
  Indicate whether the statement is true or false

Question 3

The spiral arms are made of bright stars belonging to Population ________.
 
  Fill in the blank(s) with correct word

Question 4

Neptune has a larger fraction of methane in its atmosphere than Uranus.
 
  Indicate whether the statement is true or false

Question 5

There is less ammonia in the atmospheres of Uranus and Neptune than in Jupiter or Saturn.
 
  Indicate whether the statement is true or false

Question 6

The infinite, open universe has a geometry compared to the surface of a(n) ________.
 
  Fill in the blank(s) with correct word
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vivian970811vivian970811
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6 years ago
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emmybay02 Author
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#2
6 years ago
Thanks for your help <3
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