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Author Question: Spectrographs use a prism or a grating to spread starlight according to wavelength. a. True b. ... (Read 99 times)

CBme

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on: Jul 27, 2018
Spectrographs use a prism or a grating to spread starlight according to wavelength.
 
  a. True
  b. False
  Indicate whether the statement is true or false

Question 2

Supergiants are about as common as the Sun.
 
  a. True
  b. False
  Indicate whether the statement is true or false


chem1s3

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

True

Answer to Question 2

False


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