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

Author Question: What is a white dwarf? A) a star that follows a period-luminosity relation B) a type of star ... (Read 114 times)

natalie2426

  • Hero Member
  • *****
  • Posts: 524
on: Jul 27, 2018
What is a white dwarf?
 
  A) a star that follows a period-luminosity relation
  B) a type of star that produces energy by gravitational contraction
  C) a main-sequence star of spectral type F, which tends to look white in color
  D) the remains of a star that ran out of fuel for nuclear fusion

Question 2

The Schwarzschild radius of a black hole is about 3 km per solar mass.
 
  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

LP

  • Sr. Member
  • ****
  • Posts: 302
Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

TRUE


natalie2426

  • Member
  • Posts: 524
Reply 2 on: Jul 27, 2018
Excellent

Viet Thy

  • Member
  • Posts: 329
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Did you know?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

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.

Growth hormone disorders. Illustration of a pituitary giant and a pituitary dwarf, both adults of ab Growth hormone disorders. Illustration of a pituitary giant and a pituitary dwarf, both adults of ab
The Workout (Primary Conditioning Period) The Workout (Primary Conditioning Period)
Connections of a nitric acid plant, intermediate pressure type Connections of a nitric acid plant, intermediate pressure type
How Long Do You Ovulate After Your Period? How Long Do You Ovulate After Your Period?
Embryonic Period Embryonic Period
Some of the Alleles present at white locus Some of the Alleles present at white locus
Video: Kinetic parameters & Kinetic experiment

For a complete list of videos, visit our video library