The birthplace of the Sun and planets (and of other stars and maybe their planets) is thought to have been in:
A) cool gas and dust clouds.
B) the centers of supernova explosions.
C) black holes dotted about the universe.
D) the centers of galaxies.
Correct Answer:
Verified
Q21: The ice giants are
A) Jupiter and Saturn.
B)
Q22: The manner in which the large, outer
Q35: Which physical parameter more than any other
Q36: What is a protoplanetary disk?
A) a disk
Q37: What name is given to the concentration
Q38: Strong evidence for the existence of planetary
Q39: There is very little hydrogen or helium
Q41: Suppose that observers using the Hubble Space
Q42: Which planet in our solar system has
Q43: According to current theories of planetary formation,why
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