[Answered] The period-luminosity relation is critical in finding distances with: A) RR Lyrae stars. B) ...

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Author Question: The period-luminosity relation is critical in finding distances with: A) RR Lyrae stars. B) ... (Read 89 times)

fbq8i

Hero Member
Posts: 527

on: Jul 27, 2018

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

Sr. Member
Posts: 334

Reply #1 on: Jul 27, 2018

Answer to Question 1

D

Answer to Question 2

E

fbq8i

Member
Posts: 527

Reply 2 on: Jul 27, 2018

TYSM

sarah_brady415

Member
Posts: 328

Reply 3 on: Yesterday

Excellent

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