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Home Q & A Board Science-Related Homework Help Physics Astronomy
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Ebridges85 Ebridges85
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6 years ago
In the H-R diagram, 90 percent of all stars are
 
  a. in the giant region.
  b. in the supergiant region.
  c. among the B stars.
  d. among the G stars.
  e. on the main sequence.

Question 2

A solar eclipse that occurs when the moon's umbra reaches Earth's surface is called
 
  a. a total solar eclipse.
  b. a partial solar eclipse.
  c. an annular solar eclipse.
  d. a penumbral solar eclipse.
  e. an umbral solar eclipse.

Question 3

In an H-R Diagram, stars with the smallest radius are found in the ____ of the diagram.
 
  a. center
  b. upper left corner
  c. upper right corner
  d. lower left corner
  e. lower right corner

Question 4

A solar eclipse that occurs when the moon's umbra does not reach Earth's surface is called
 
  a. a total solar eclipse.
  b. a partial solar eclipse.
  c. an annular solar eclipse.
  d. a penumbral solar eclipse.
  e. an umbral solar eclipse.

Question 5

A star's luminosity depends only on the star's
 
  a. distance and diameter.
  b. temperature and distance.
  c. distance.
  d. temperature and diameter.
  e. apparent magnitude.
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ydyd
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6 years ago
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Ebridges85 Author
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#2
6 years ago
Electric Light Bulb All of these are right, thanks!
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