[Answered] The period-luminosity relation is critical in finding distances with A) Cepheid variables. B) ...

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Author Question: The period-luminosity relation is critical in finding distances with A) Cepheid variables. B) ... (Read 41 times)

bobbie

Hero Member
Posts: 592

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

Sr. Member
Posts: 335

Reply #1 on: Jul 27, 2018

Answer to Question 1

A

Answer to Question 2

FALSE

bobbie

Member
Posts: 592

Reply 2 on: Jul 27, 2018

Great answer, keep it coming

ultraflyy23

Member
Posts: 312

Reply 3 on: Yesterday

Excellent

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