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Rnaprh Rnaprh
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6 years ago
Galaxies are classified into types solely on the basis of their color.
 
  Indicate whether the statement is true or false

Question 2

One of the most unexpected aspects of Mars' atmosphere is:
 
  A) that it is 95 carbon dioxide.
  B) that its troposphere changes altitude.
  C) that it is cloudless.
  D) that it contains water vapor clouds.
  E) that it has such a low density.

Question 3

Kirchhoff was the first to describe qualitatively the types of spectra we observe from luminous objects. Describe the three types and their sources.
 
  What will be an ideal response?

Question 4

Objects which have contracted, but are of too little mass to establish thermonuclear reactions in their cores, are ________, which slowly continue to cool.
 
  Fill in the blank(s) with correct word
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umwutumwut
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6 years ago
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Rnaprh Author
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6 years ago
Mind blown, I've bookmarked this site on told my friends
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#3
6 years ago
Really appreciate that
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