[Answered] The letters AGN stand for a. three spectral types of stars. b. active planet. c. active star. ...

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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.

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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

juliaf

Member
Posts: 344

Reply 3 on: Yesterday

TYSM

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