This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: You are studying a mystery companion to an evolved star, with mass transfer happening. Which of the ... (Read 21 times)

melina_rosy

  • Hero Member
  • *****
  • Posts: 531
on: Jul 27, 2018
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
Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

FALSE


melina_rosy

  • Member
  • Posts: 531
Reply 2 on: Jul 27, 2018
Excellent

debra928

  • Member
  • Posts: 342
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Studying the Canopy Studying the Canopy
Studying Studying
Mass Loss by a Supermassive Star Mass Loss by a Supermassive Star
Field research on free-living primates allows primatologists to study patterns of behavior in the se Field research on free-living primates allows primatologists to study patterns of behavior in the se
Chemical equilibrium and the law of mass action. Chemical equilibrium and the law of mass action.
What is the density of 96 mL of a liquid that has a mass of 90.5 g? What is the density of 96 mL of a liquid that has a mass of 90.5 g?
Video: The 4 steps of translation Animation

For a complete list of videos, visit our video library