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

Author Question: The energy from an AGN is produced by a. the collision of two spiral galaxies. b. the collision ... (Read 94 times)

B

  • Hero Member
  • *****
  • Posts: 570
on: Jul 27, 2018
The energy from an AGN is produced by
 
  a. the collision of two spiral galaxies.
  b. the collision of two elliptical galaxies.
  c. the collision of two radio jets.
  d. matter flowing into a supermassive black hole.
  e. supernovae.

Question 2

A Sun-like star will experience a helium flash in the core if
 
  a. it is less massive than about 3 solar masses.
  b. it has become a red giant star.
  c. it has formed a helium core.
  d. the material in the core has gradually become degenerate.
  e. All of the other choices are correct.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Jsherida

  • Sr. Member
  • ****
  • Posts: 314
Reply #1 on: Jul 27, 2018
Answer to Question 1

d

Answer to Question 2

e


B

  • Member
  • Posts: 570
Reply 2 on: Jul 27, 2018
Wow, this really help

cassie_ragen

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

« previous next »
 

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?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Did you know?

Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Part of the Hubble Ultra-Deep Field image showing a typical section of space containing galaxies int Part of the Hubble Ultra-Deep Field image showing a typical section of space containing galaxies int
Energy Level Diagram of Hydrogen Energy Level Diagram of Hydrogen
Creation of Spiral and Elliptical Galaxies Creation of Spiral and Elliptical Galaxies
Energy changes in reactions. Energy changes in reactions.
Tummy rock to release energy blocks in the torso and head. Tummy rock to release energy blocks in the torso and head.
Mixing alcohol with caffeinated energy drinks can have dangerous consequences Mixing alcohol with caffeinated energy drinks can have dangerous consequences
Video: Coronary Heart Disease

For a complete list of videos, visit our video library