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 85 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?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Did you know?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

For a complete list of videos, visit our video library