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Author Question: You want to find a mass of a star on the main sequence of the H-R diagram. What do you need? a. ... (Read 116 times)

jazziefee

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on: Jul 27, 2018
You want to find a mass of a star on the main sequence of the H-R diagram. What do you need?
 
  a. The star has to be in a visual binary. b. The star has to be in a spectroscopic binary.
  c. You need the star's luminosity. d. You need the star's absorption spectra.

Question 2

_________ are neutron stars that have magnetic fields 100 times stronger than the average neutron star.
 
  a. Hypernovae
  b. Collapsars
  c. Pulsars
  d. Kerr singularities
  e. Magnetars


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katheyjon

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Reply #1 on: Jul 27, 2018
Answer to Question 1

c

Answer to Question 2

e


jazziefee

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Reply #2 on: Jul 27, 2018
Thank you!


katheyjon

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Reply #3 on: Jul 27, 2018
Always glad to help...


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