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 84 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
Great answer, keep it coming :)

apple

  • Member
  • Posts: 352
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Did you know?

If you could remove all of your skin, it would weigh up to 5 pounds.

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Shelled invertebrate fossils of the Ordovician period Shelled invertebrate fossils of the Ordovician period
Critical Periods of Development Critical Periods of Development
Fetal Period Fetal Period
Embryonic Period Embryonic Period
finding the resultant force finding the resultant force
Finding the graph of a Parabola using certain values Finding the graph of a Parabola using certain values
Video: Interpreting a cladogram Animation

For a complete list of videos, visit our video library