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Home Q & A Board Science-Related Homework Help Physics Astronomy
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Catc Catc
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6 years ago
At Jupiter's very center is a core of
 
  a. heavy element (molten rock and iron) core
  b. helium
  c. hydrogen
  d. Both A and B

Question 2

The units on the Hubble constant are ____________________.
 
  Fill in the blank(s) with correct word

Question 3

Both Jupiter and Saturn
 
  a. have liquid metallic hydrogen in their interiors.
  b. have rings.
  c. emit more energy than they absorb from the sun.
  d. have belt and zone circulation.
  e. all of the above

Question 4

How does the study of quasars reveal information of the history of the universe?
 
  a. Typical quasars are very distant so we can view how galaxy evolution occurred in the past.
  b. Quasars contain stars of all ages.
  c. Quasars typically act as host galaxies for gravitational lensing.
  d. Quasars generate their energy in very small volumes of space
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transfertransfer
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6 years ago
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Catc Author
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aricketts6@
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2 hours ago
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