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

Author Question: Dark matter is detectable in the coronae of ____. a. elliptical galaxies only b. spiral galaxies ... (Read 92 times)

Brittanyd9008

  • Hero Member
  • *****
  • Posts: 500
Dark matter is detectable in the coronae of ____.
 
  a. elliptical galaxies only
 b. spiral galaxies only
 c. irregular galaxies only
 d. spiral and elliptical galaxies only
  e. all galaxies

Question 2

What modern-day instrument do astronomers use to record images from telescopes?
 
  a. photometer
 b. grating device
 c. spectrograph
 d. photographic plate
 e. charge coupled device



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ASDFGJLO

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

e

Answer to Question 2

e




Brittanyd9008

  • Member
  • Posts: 500
Reply 2 on: Jul 27, 2018
:D TYSM


amandalm

  • Member
  • Posts: 306
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

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?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

For a complete list of videos, visit our video library