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

Author Question: Why do astronomers believe supermassive black holes are the source of an AGN's energy? a. Such ... (Read 81 times)

tingc95

  • Hero Member
  • *****
  • Posts: 556
on: Jul 27, 2018
Why do astronomers believe supermassive black holes are the source of an AGN's energy?
 
  a. Such black holes have been found at the center of most galaxies, both active and inactive.
  b. Radio jets are seen from low-mass black holes plus accretion disks inside our galaxy.
  c. Jets and accretion disks have been observed in active galaxies.
  d. Black holes can produce so much energy in such a small place.
  e. All of the other choices are correct.

Question 2

When material expanding away from a star in a binary system leaves a star's Roche lobe,
 
  a. the material will start to fall back toward the star.
  b. all of the material will accrete on to the companion.
  c. the material is no longer gravitationally bound to that star.
  d. the material will increase in temperature an eventually undergo thermonuclear fusion.
  e. c and d.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mmj22343

  • Sr. Member
  • ****
  • Posts: 297
Reply #1 on: Jul 27, 2018
Answer to Question 1

e

Answer to Question 2

c


tingc95

  • Member
  • Posts: 556
Reply 2 on: Jul 27, 2018
Excellent

ryansturges

  • Member
  • Posts: 338
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Did you know?

The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

Models for the electron orbitals and energy shells of carbon Models for the electron orbitals and energy shells of carbon
Black flies are blood-sucking insects who vector disease, like River Blindness, while feeding on hum Black flies are blood-sucking insects who vector disease, like River Blindness, while feeding on hum
Energy coupling in mechanical and chemical processes Energy coupling in mechanical and chemical processes
black and white face black and white face
#38.Genetically identical organisms derived from a single genetic source are #39 #38.Genetically identical organisms derived from a single genetic source are #39
The mitochondrion is the center of energy transformation in the cell The mitochondrion is the center of energy transformation in the cell
Video: Nucleic acid digestion - brush border enzymes, end products & transport mechanism

For a complete list of videos, visit our video library