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Author Question: The Doppler shift is used to find A) astrometric binaries. B) spectroscopic binaries. C) ... (Read 32 times)

genevieve1028

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on: Jul 27, 2018
The Doppler shift is used to find
 
  A) astrometric binaries.
  B) spectroscopic binaries.
  C) photometric binaries.
  D) visual binaries.
  E) eclipsing binaries.

Question 2

The darkness of the night is due in part to the cosmological redshift, with the energy of the most distant objects diluted in the universal expansion.
 
  Indicate whether the statement is true or false


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trog

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

B

Answer to Question 2

TRUE


genevieve1028

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Reply 2 on: Jul 27, 2018
Gracias!

flexer1n1

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Reply 3 on: Yesterday
Excellent

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