« previous next »

Author Question: When a star collapses to become a black hole, its mass A) increases. B) decreases. C) remains ... (Read 41 times)

audie

  • Hero Member
  • *****
  • Posts: 532
on: Jul 29, 2018
When a star collapses to become a black hole, its mass
 
  A) increases.
  B) decreases.
  C) remains unchanged.

Question 2

What determines if a star becomes a white dwarf, a neutron star, or a black hole?
 
  A) the principal factor is mass
  B) the principal factor is density
  C) the principal factor is temperature
  D) the principal factor is luminosity


popopong

  • Sr. Member
  • ****
  • Posts: 307
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: C

Answer to Question 2

Answer: A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

Did you know?

The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

Thyroid conditions may make getting pregnant impossible.

Betelgeuse is a semiregular variable star Betelgeuse is a semiregular variable star
The Sun is the star at the center of the Solar System. The Sun is the star at the center of the Solar System.
Circumpolar Star Trails Circumpolar Star Trails
Effect of a Black Hole’s Tidal Force on Infalling Matter Effect of a Black Hole’s Tidal Force on Infalling Matter
Supermassive Black Holes as Engines for Galactic Activity Supermassive Black Holes as Engines for Galactic Activity
MAGENTA, BLACK, GREEN, ON ORANGE MAGENTA, BLACK, GREEN, ON ORANGE
Video: Condensation and Hydrolysis Animation

For a complete list of videos, visit our video library