This topic contains a solution. Click here to go to the answer

Author Question: Galaxies are aggregations of stars, stellar dust, and gas. Their masses A) are all about the ... (Read 6 times)

LaDunn

  • Hero Member
  • *****
  • Posts: 526
Galaxies are aggregations of stars, stellar dust, and gas. Their masses
 
  A) are all about the same, which is huge.
  B) vary greatly from one galaxy to the next.
  C) are small compared to blue supergiant stars.
  D) depend on the rate of pulsar emissions within them.

Question 2

The Milky Way galaxy is
 
  A) in the process of colliding with the Magellanic Cloud galaxies.
  B) where Earth resides.
  C) a spiral galaxy.
  D) All of the above



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

asdfasdf

  • Sr. Member
  • ****
  • Posts: 339
Answer to Question 1

Answer: B

Answer to Question 2

Answer: D




LaDunn

  • Member
  • Posts: 526
Reply 2 on: Jul 29, 2018
Gracias!


31809pancho

  • Member
  • Posts: 317
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

Everyone has one nostril that is larger than the other.

Did you know?

In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

For a complete list of videos, visit our video library