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Home Q & A Board Science-Related Homework Help Physics Astronomy
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kq kq
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6 years ago
The light curve of a/an ___________ binary can reveal both masses and diameters of the stars.
 
  Fill in the blank(s) with correct word

Question 2

The singularity of a black hole
 
  a. is found outside the event horizon.
  b. is located within the event horizon.
  c. can only be located if the black hole is in a binary system.
  d. doesn't exist since all black holes have a finite size.

Question 3

________________ absorbs most of the ultraviolet radiation coming from the Sun.
 
  Fill in the blank(s) with correct word

Question 4

The largest of the red stars are the ____________________ stars.
 
  Fill in the blank(s) with correct word

Question 5

If the inner accretion disk around a black hole has a temperature of 106 K, at what wavelength will it radiate the most energy? (Hint: From Wien's law, T =3,000,000 where  is in nm and T is in K.)
 
  a. 106 nm
  b. 3 nm
  c. 3  106 nm
  d. 1 nm
  e. 3  1011 nm
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leah.kahler3leah.kahler3
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kq Author
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6 years ago
Thank you for answering
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