« previous next »

Author Question: Supernovae are one of the most extreme events in the known universe. They are caused by A) the ... (Read 14 times)

magmichele12

  • Hero Member
  • *****
  • Posts: 559
on: Jul 29, 2018
Supernovae are one of the most extreme events in the known universe. They are caused by
 
  A) the implosion of a white dwarf, which has run out of all its fuel.
  B) a supermassive supergiant star undergoing a massive nuclear chain reaction.
  C) the collapse of a supermassive supergiant star.
  D) Any of the above.

Question 2

Because a white dwarf is no longer burning fuel, it is more accurately described as being a
 
  A) stellar remnant.
  B) failed star.
  C) protostar.
  D) black elf.


jomama

  • Sr. Member
  • ****
  • Posts: 346
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?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

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?

Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

A chronogram indicates the timing of evolutionary events A chronogram indicates the timing of evolutionary events
Hydronephrosis. Normal kidney (left) and kidney with hydronephrosis (right) are compared. Note the d Hydronephrosis. Normal kidney (left) and kidney with hydronephrosis (right) are compared. Note the d
Observable Universe Before and After Inflation Observable Universe Before and After Inflation
Older people who experienced stressful events in their younger years may show personal growth and ... Older people who experienced stressful events in their younger years may show personal growth and ...
Inflammation of the oropharynx and petechiae (small red spots) on the soft palate caused by strep ... Inflammation of the oropharynx and petechiae (small red spots) on the soft palate caused by strep ...
Surgeries for Extreme Obesity Bariatric Surgeries for Extreme Obesity Bariatric
Video: Ionic bonds - role of ions in the body

For a complete list of videos, visit our video library