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

Author Question: A supermassive black hole in the center of a galaxy typically represents ____ of the galaxy's total ... (Read 97 times)

shenderson6

  • Hero Member
  • *****
  • Posts: 573
A supermassive black hole in the center of a galaxy typically represents ____ of the galaxy's total mass.
 
  a. a tiny fraction of a percent
  b. about a percent
 c. 1-5
 d. 10
 e. 50

Question 2

A spectrograph spreads out light according to ____ to form a spectrum.
 
  a. wavelength
  b. frequency
 c. interference
  d. aberration
 e. grating



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

xoxo123

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

a

Answer to Question 2

a




shenderson6

  • Member
  • Posts: 573
Reply 2 on: Jul 27, 2018
Excellent


ebonylittles

  • Member
  • Posts: 318
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Did you know?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

Did you know?

Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

For a complete list of videos, visit our video library