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

Author Question: Most of the halo stars are very old. Indicate whether the statement is true or ... (Read 30 times)

Mr. Wonderful

  • Hero Member
  • *****
  • Posts: 866
Most of the halo stars are very old.
 
  Indicate whether the statement is true or false

Question 2

The key to identifying a black hole candidate in a binary system is that
 
  A) one of the two stars cannot be seen.
  B) the unseen companion in the system must have a sufficiently high mass.
  C) the unseen star is a contact binary.
  D) the system must be a very strong source of radio emissions.
  E) the visible companion must be an evolving main sequence or giant star.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Briannahope

  • Sr. Member
  • ****
  • Posts: 364
Answer to Question 1

TRUE

Answer to Question 2

B




Mr. Wonderful

  • Member
  • Posts: 866
Reply 2 on: Jul 27, 2018
Gracias!


phuda

  • Member
  • Posts: 348
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Did you know?

Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

For a complete list of videos, visit our video library