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Home Q & A Board Science-Related Homework Help Physics Astronomy
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madisonraynor_ madisonraynor_
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6 years ago
When you measure distances to stars via parallax, it is better to use kilometers or Astronomical Units as the unit of distance.
 
  Indicate whether the statement is true or false

Question 2

The centers of stars are many millions of degrees cooler than their surfaces.
 
  Indicate whether the statement is true or false

Question 3

Y dwarfs are substellar objects with temperature above 500 K.
 
  Indicate whether the statement is true or false

Question 4

Spectroscopic parallax denotes the apparent shift in the position of a star when observed form different positions of a source.
 
  Indicate whether the statement is true or false

Question 5

In the context of planetology, explain the heat of formation.
 
  What will be an ideal response?

Question 6

Briefly explain the possible threat of near Earth objects.
 
  What will be an ideal response?
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carelesslycoolcarelesslycool
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6 years ago
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#2
6 years ago
All correct!
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