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

Author Question: A mega-parsec (Mpc) is equivalent to a. 3.26 light-years. b. 206,265 light years. c. 1,000,000 ... (Read 73 times)

erika

  • Hero Member
  • *****
  • Posts: 522
A mega-parsec (Mpc) is equivalent to
 
  a. 3.26 light-years.
  b. 206,265 light years.
  c. 1,000,000 light years
  d. 3,260,000 light-years.
  e. the diameter of the Milky Way galaxy.

Question 2

The Sun has a core in which energy travels outward primarily by radiation.
 
  a. True
  b. False
  Indicate whether the statement is true or false



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

frre432

  • Sr. Member
  • ****
  • Posts: 347
Answer to Question 1

d

Answer to Question 2

True





 

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

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.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

For a complete list of videos, visit our video library