« previous next »

Author Question: Supernovae are one of the most extreme events in the known universe. They are caused by A) the ... (Read 58 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?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

Did you know?

The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

Did you know?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

Did you know?

Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

Variegated leaves caused by a mutation in cpDNA Variegated leaves caused by a mutation in cpDNA
Spinal changes caused by osteoporosis. Spinal changes caused by osteoporosis.
Abnormalities Caused by Cardiac Pathology Abnormalities Caused by Cardiac Pathology
Sequence of events from DNA to protein. Sequence of events from DNA to protein.
Time Line for Evolution of the Universe Time Line for Evolution of the Universe
A comparison of the events in mitosis (left) and meiosis (right) A comparison of the events in mitosis (left) and meiosis (right)
Video: Protein catabolism (Krebs cycle) and Protein anabolism (protein synthesis)

For a complete list of videos, visit our video library