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

Author Question: The letters AGN stand for a. three spectral types of stars. b. active planet. c. active star. ... (Read 83 times)

809779

  • Hero Member
  • *****
  • Posts: 579
on: Jul 27, 2018
The letters AGN stand for
 
  a. three spectral types of stars.
  b. active planet.
  c. active star.
  d. active galaxy nucleus.
  e. None of the other choices are correct.

Question 2

As a Sun-like main-sequence star exhausts hydrogen in its core, it next becomes
 
  a. a protostar.
  b. a red giant star.
  c. a white dwarf star.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Ahernandez18

  • Sr. Member
  • ****
  • Posts: 361
Reply #1 on: Jul 27, 2018
Answer to Question 1

d

Answer to Question 2

b


809779

  • Member
  • Posts: 579
Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)

Hdosisshsbshs

  • Member
  • Posts: 315
Reply 3 on: Yesterday
Gracias!

« previous next »
 

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?

Your heart beats over 36 million times a year.

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

Did you know?

Everyone has one nostril that is larger than the other.

Many types of edible fungi are grown for the market. Many types of edible fungi are grown for the market.
Uranus's aurorae against its equatorial rings, imaged by the Hubble telescope. Unlike the auror Uranus's aurorae against its equatorial rings, imaged by the Hubble telescope. Unlike the auror
A Binary Star System A Binary Star System
Types of Exudate Types of Exudate
Types of Psoriasis Types of Psoriasis
Apple Letters Apple Letters
Video: Carbohydrate digestion (brush border enzymes, end products) & Carb absorption (fructose, galactose)

For a complete list of videos, visit our video library