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Author Question: The period-luminosity relation is critical in finding distances with: A) RR Lyrae stars. B) ... (Read 68 times)

fbq8i

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The period-luminosity relation is critical in finding distances with:
 
  A) RR Lyrae stars.
  B) trigonometric parallaxes.
  C) spectroscopic parallaxes.
  D) Cepheid variables.
  E) pulsars.

Question 2

Which of the following is farthest from the Sun?
 
  A) Pluto
  B) Neptune
  C) an asteroid in the asteroid belt
  D) a comet in the Kuiper belt
  E) a comet in the Oort cloud



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ryrychapman11

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Answer to Question 1

D

Answer to Question 2

E




fbq8i

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Reply 2 on: Jul 27, 2018
Gracias!


softEldritch

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Reply 3 on: Yesterday
Excellent

 

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