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Home Q & A Board Science-Related Homework Help Physics Astronomy
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Sakura Sakura
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6 years ago
On an H-R diagram, a protostar would be:
 
  A) above and to the right of the main sequence.
  B) below and to the left of the main sequence.
  C) below and near the right side of the main sequence.
  D) above and near the upper left of the main sequence.
  E) on the main sequence at the extreme lower right.

Question 2

The particle which adds mass but no charge to the atomic nucleus is the:
 
  A) positron.
  B) proton.
  C) neutron.
  D) neutrino.
  E) alpha particle.

Question 3

What is comparative planetology, and what is its basic premise?
 
  What will be an ideal response?

Question 4

Galileo's observations of the entire phase cycle of Venus proved that Ptolemy's epicycles could not be correct in keeping Venus between us and the Sun.
 
  Indicate whether the statement is true or false
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kzabeckzabec
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6 years ago
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Sakura Author
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#2
6 years ago
All correct!
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