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Home Q & A Board Science-Related Homework Help Physics Astronomy
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Nudee88 Nudee88
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6 years ago
Barnard's star is 5.9 ly from Earth. Its parallax angle is 0.55. Note 1 pc is 3.26 ly and 1 ly is 63200 AU.
 
  a. True
  b. False
  Indicate whether the statement is true or false

Question 2

When a star of mass comparable to the Sun dies it become a black hole.
 
  a. True
  b. False
  Indicate whether the statement is true or false

Question 3

M dwarfs on the main sequence are brown dwarfs.
 
  a. True
  b. False
  Indicate whether the statement is true or false

Question 4

A scientific theory can be proven true if the correct experiments are performed.
 
  a. True
  b. False
  Indicate whether the statement is true or false

Question 5

The amount of light received at Earth from a star is called luminosity.
 
  a. True
  b. False
  Indicate whether the statement is true or false
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marcusb213marcusb213
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#1
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6 years ago
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Nudee88 Author
wrote...

6 years ago
Good timing, thanks!
Lawson1981
wrote...

Yesterday
I appreciate what you did here, answered it right Smiling Face with Open Mouth
njn;l
wrote...

2 hours ago
Thanks for your help!!
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