Author Question: The Moon's lower density indicates it has a smaller concentration of iron in its core, as does the ... (Read 95 times)

fahad

  • Hero Member
  • *****
  • Posts: 570
The Moon's lower density indicates it has a smaller concentration of iron in its core, as does the absence of a lunar magnetic field.
 
  Indicate whether the statement is true or false

Question 2

The most luminous objects known in the universe are
 
  A) Seyferts.
  B) quasars.
  C) blazars.
  D) radio lobe galaxies.
  E) giant ellipticals.



johnpizzaz

  • Sr. Member
  • ****
  • Posts: 345
Answer to Question 1

TRUE

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

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?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

For a complete list of videos, visit our video library