This topic contains a solution. Click here to go to the answer

Author Question: Black dwarfs are A) rare, for collapsing cores of over three solar masses are uncommon. B) very ... (Read 34 times)

fox

  • Hero Member
  • *****
  • Posts: 540
Black dwarfs are
 
  A) rare, for collapsing cores of over three solar masses are uncommon.
  B) very common, making up the majority of the dark matter in the universe.
  C) often made from very low mass protostars that never fuse hydrogen.
  D) rare, for few binary systems are close enough for this merger to happen.
  E) not found yet; the oldest, coldest white dwarf in the Galaxy has not cooled enough yet.

Question 2

The black hole in the core of a Seyfert galaxy consumes the equivalent of hundreds of solar masses a day.
 
  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

parshano

  • Sr. Member
  • ****
  • Posts: 333
Answer to Question 1

E

Answer to Question 2

FALSE





 

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

Asthma cases in Americans are about 75% higher today than they were in 1980.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

For a complete list of videos, visit our video library