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Home Q & A Board Science-Related Homework Help Physics Astronomy
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becca29 becca29
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6 years ago
The ____________________ hypothesis for the formation of the moon suggests that the moon and Earth formed from the same cloud of material and coalesced as two separate objects.
 
  Fill in the blank(s) with correct word

Question 2

What distance method is used to determine the distance to the most distant galaxies?
 
  a. Radar echo
  b. Supernova observations
  c. Period-luminosity relationship of variable stars
  d. Parallax

Question 3

The separation between Africa and Arabia is a(n) ____________________ valley.
 
  Fill in the blank(s) with correct word

Question 4

What distance methods is used to calibrate the Hubble constant?
 
  a. Parallax
  b. Supernova observations
  c. variable stars
  d. both a and b
  e. both b and c

Question 5

____________________ waves are seismic waves that do not travel through Earth's liquid core.
 
  Fill in the blank(s) with correct word
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ilovephysicsilovephysics
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6 years ago
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becca29 Author
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#2
6 years ago
What an awesome place to get free homework help
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#3
6 years ago
What makes it awesome is that you posted, thanks for trusting us
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