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 95 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
Wow, this really help

triiciiaa

  • Member
  • Posts: 349
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

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

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

Brain types Brain types
Active Compared with Passive Voice Active Compared with Passive Voice
The two types of neural migration: radial migration and tangential migration. The two types of neural migration: radial migration and tangential migration.
Many different types of labels may be found on packages containing hazardous materials. Clockwise ... Many different types of labels may be found on packages containing hazardous materials. Clockwise ...
Two major types of nerve circuits in the brain Two major types of nerve circuits in the brain
Opener Spectral karyotyping of human chromosomes Opener Spectral karyotyping of human chromosomes
Video: Attention Deficit Disorder (ADD)

For a complete list of videos, visit our video library