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Author Question: Spectroscopic and eclipse duration observations of an eclipsing binary star can enable astronomers ... (Read 116 times)

KimWrice

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on: Jul 27, 2018
Spectroscopic and eclipse duration observations of an eclipsing binary star can enable astronomers to calculate________ of its individual stars.
 
  a. the masses
  b. the sizes
  c. the masses and sizes
  d. neither masses nor sizes

Question 2

Which of the waves below has the shortest wavelength?
 
  a. gamma rays
  b. X-rays
  c. visible light
  d. infrared
  e. radio


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Alyson.hiatt@yahoo.com

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

c

Answer to Question 2

a


KimWrice

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  • Posts: 579
Reply 2 on: Jul 27, 2018
:D TYSM

epscape

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Reply 3 on: Yesterday
Excellent

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