This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The period-luminosity relation is critical in finding distances with: A) RR Lyrae stars. B) ... (Read 75 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


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

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
Gracias!

phuda

  • Member
  • Posts: 348
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Did you know?

Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Hertzsprung-Russell diagram for a set of stars that includes the Sun Hertzsprung-Russell diagram for a set of stars that includes the Sun
Luminosity Classes Luminosity Classes
Critical thinking and the evaluation process Critical thinking and the evaluation process
Embryonic Period Embryonic Period
Embryonic Period - 7th week Embryonic Period - 7th week
Finding the derivative using the power rule - Solutions Finding the derivative using the power rule - Solutions
Video: ETC Protein Complexes & Chemiosmosis (Total ATP Production and ATP Synthase)

For a complete list of videos, visit our video library