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Home Q & A Board Science-Related Homework Help Physics Astronomy
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pmulkerr pmulkerr
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6 years ago
____________________ can be used to determine the distance to a star when the spectrum of the star can be used to determine its spectral type and luminosity class.
 
  Fill in the blank(s) with correct word

Question 2

Star A has an apparent visual magnitude of 6.3 and star B has an apparent visual magnitude of 5.3 . Star A is ____________________ times ____________________ than star B.
 
  Fill in the blank(s) with correct word

Question 3

A G2 I star is ____________________ in diameter and ____________________ luminous than the sun.
 
  Fill in the blank(s) with correct word

Question 4

The ____________________ is the point on the celestial sphere directly above an observer, regardless of where the observer is located on Earth.
 
  Fill in the blank(s) with correct word
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whatever77whatever77
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6 years ago
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pmulkerr Author
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#2
6 years ago
Dude, you're awesome. I wish I had you as my teacher!
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#3
6 years ago
Come to the forum always, I'll be around to assist you again
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