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 72 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
:D TYSM


meganmoser117

  • Member
  • Posts: 303
Reply 3 on: Yesterday
Gracias!

 

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.

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Did you know?

About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

For a complete list of videos, visit our video library