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

Author Question: You are studying a mystery companion to an evolved star, with mass transfer happening. Which of the ... (Read 40 times)

melina_rosy

  • Hero Member
  • *****
  • Posts: 531
You are studying a mystery companion to an evolved star, with mass transfer happening. Which of the following properties suggests that the companion is definitely a black hole?
 
  A) The mystery companion has a mass of over 1.4 solar masses.
  B) The mystery companion has a mass of over 3 solar masses.
  C) The mystery companion has an X-ray emitting accretion disk.
  D) The mystery companion gives off periodic X-ray bursts.

Question 2

Active galaxies emit most of their radiation as visible light.
 
  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

javimendoza7

  • Sr. Member
  • ****
  • Posts: 293
Answer to Question 1

B

Answer to Question 2

FALSE




melina_rosy

  • Member
  • Posts: 531
Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)


vickybb89

  • Member
  • Posts: 347
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

Did you know?

The cure for trichomoniasis is easy as long as the patient does not drink alcoholic beverages for 24 hours. Just a single dose of medication is needed to rid the body of the disease. However, without proper precautions, an individual may contract the disease repeatedly. In fact, most people develop trichomoniasis again within three months of their last treatment.

For a complete list of videos, visit our video library