This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Dark Matter is matter that A) cannot be seen, felt, or measured. B) cannot be seen or felt, but ... (Read 47 times)

ishan

  • Hero Member
  • *****
  • Posts: 546
on: Jul 29, 2018
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
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: C


ishan

  • Hero Member
  • *****
  • Posts: 546
Reply #2 on: Jul 29, 2018
Thank you!


macmac

  • Sr. Member
  • ****
  • Posts: 343
Reply #3 on: Jul 29, 2018
Always glad to help...


« previous next »
 

Did you know?

If you could remove all of your skin, it would weigh up to 5 pounds.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Amsterdam Albatross - Adult in flight, showing dark plumage typical of the species. Amsterdam Albatross - Adult in flight, showing dark plumage typical of the species.
The first dark spot observed on Uranus. Image obtained by the HST ACS in 2006. The first dark spot observed on Uranus. Image obtained by the HST ACS in 2006.
Gray matter and White matter Gray matter and White matter
Dark-Circle Dark-Circle
The basal ganglia are clusters of gray matter that control learned movement and are involved with ... The basal ganglia are clusters of gray matter that control learned movement and are involved with ...
Video: Elementary kinetics

For a complete list of videos, visit our video library