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

Author Question: This is a thought question. Why are few galaxies outside our own galaxy seen by our eyes in the ... (Read 37 times)

EY67

  • Hero Member
  • *****
  • Posts: 531
This is a thought question. Why are few galaxies outside our own galaxy seen by our eyes in the circle around the sky where the Milky Way is located? This is because
 
  a. there aren't any galaxies in those directions.
  b. dust in the Milky Way blots out our view of galaxies in those directions.
  c. the missing mass is in those directions.
  d. a massive explosion has blown galaxies away from those directions.

Question 2

The lowest-mass object that can initiate thermonuclear fusion of hydrogen has a mass of about
 
  a. 1 solar masses.
  b. 80 solar masses.
  c. 8 solar masses.
  d. 0.08 solar masses.
  e. 0.001 solar masses.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

brittanywood

  • Sr. Member
  • ****
  • Posts: 355
Answer to Question 1

b

Answer to Question 2

d





 

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

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?

On average, the stomach produces 2 L of hydrochloric acid per day.

For a complete list of videos, visit our video library