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

Author Question: Although some photographs show what looks like jets of material near many young stars, we now know ... (Read 48 times)

jlmhmf

  • Hero Member
  • *****
  • Posts: 552
Although some photographs show what looks like jets of material near many young stars, we now know that these jets actually represent gas from the surrounding nebula that is falling onto the stars.
 
  Indicate whether the statement is true or false

Question 2

One of the most fundamental discoveries about the universe has been that it is expanding. The universe is expanding means
 
  A) the cosmological horizon is growing with time.
  B) galaxies are growing with time.
  C) distances between most galaxies are getting larger.
  D) our estimate for the size of the universe has increased over the last century.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mtmmmmmk

  • Sr. Member
  • ****
  • Posts: 335
Answer to Question 1

FALSE

Answer to Question 2

C



jlmhmf

  • Hero Member
  • *****
  • Posts: 552
Both answers were spot on, thank you once again




 

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 good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

For a complete list of videos, visit our video library