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 52 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
Great answer, keep it coming :)

mcarey591

  • Member
  • Posts: 365
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

Tri parti-colored (white, brown and black) guinea pig in its natural habitat. Tri parti-colored (white, brown and black) guinea pig in its natural habitat.
Balmer Lines in the Spectrum of a Star Balmer Lines in the Spectrum of a Star
The Mass-Luminosity Relation The Mass-Luminosity Relation
A Rotating, Magnetized Neutron Star A Rotating, Magnetized Neutron Star
This Native American depiction of the Sand Creek Massacre, painted on a buffalo hide, shows the Indi This Native American depiction of the Sand Creek Massacre, painted on a buffalo hide, shows the Indi
Chloroplast segregation determined by mating type in Chlamydomonas Chloroplast segregation determined by mating type in Chlamydomonas
Video: Stimulus (introduction)

For a complete list of videos, visit our video library