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) Cepheid variables. B) ... (Read 83 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


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

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
Excellent

sultana.d

  • Member
  • Posts: 320
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

Did you know?

More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

Fossil from the Carboniferous period Fossil from the Carboniferous period
Critical thinking and the assessent process Critical thinking and the assessent process
Sugar: Finding Added Sugars on the Label A food Sugar: Finding Added Sugars on the Label A food
Finding the derivative using the power rule - Solutions Finding the derivative using the power rule - Solutions
finding resultant for the following force combinations finding resultant for the following force combinations
If the period of a square wave is 22 ms, what is its frequency? If the period of a square wave is 22 ms, what is its frequency?
Video: Ventilation - phases and driving forces

For a complete list of videos, visit our video library