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Author Question: The period-luminosity relation is critical in finding distances with A) Cepheid variables. B) ... (Read 95 times)

bobbie

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on: Jul 27, 2018
The period-luminosity relation is critical in finding distances with
 
  A) Cepheid variables.
  B) spectroscopic parallaxes.
  C) pulsars.
  D) trigonometric parallaxes.
  E) RR Lyrae stars.

Question 2

Cosmic inflation continues today in the cosmological redshifts and dark energy.
 
  Indicate whether the statement is true or false


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blakcmamba

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

A

Answer to Question 2

FALSE


bobbie

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Reply 2 on: Jul 27, 2018
Gracias!

alexanderhamilton

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Reply 3 on: Yesterday
:D TYSM

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