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 114 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


dantucker

  • Member
  • Posts: 346
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

Did you know?

Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

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.

For a complete list of videos, visit our video library