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

Author Question: Dark Matter is matter that A) cannot be seen, felt, or measured. B) cannot be seen or felt, but ... (Read 55 times)

ishan

  • Hero Member
  • *****
  • Posts: 546
Dark Matter is matter that
 
  A) cannot be seen, felt, or measured.
  B) cannot be seen or felt, but can be measured through its gravitational effects.
  C) is Dark Energy's complement.
  D) is found within a black hole.

Question 2

According to dark matter theory, most of the mass of a spiral galaxy is found
 
  A) within the central supermassive black hole.
  B) within the luminescent spiral arms.
  C) outside of the luminescent spiral arms.
  D) in the form of dark energy.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

macmac

  • Sr. Member
  • ****
  • Posts: 343
Answer to Question 1

Answer: B

Answer to Question 2

Answer: C




macmac

  • Sr. Member
  • ****
  • Posts: 343

 

Did you know?

Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

Did you know?

It is difficult to obtain enough calcium without consuming milk or other dairy foods.

Did you know?

The average adult has about 21 square feet of skin.

Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

For a complete list of videos, visit our video library