Author Question: Active galactic nuclei were first found through observations in the ____ wavelength band. a. ... (Read 18 times)

Sufayan.ah

  • Hero Member
  • *****
  • Posts: 512
Active galactic nuclei were first found through observations in the ____ wavelength band.
 
  a. visible
 b. infrared
 c. X-ray
 d. radio
 e. ultraviolet

Question 2

Blackbody radiation is caused by an object's ____.
 
  a. chemical structure
  b. binding energy
 c. excitation level
 d. absolute zero
 e. thermal agitation



blakeserpa

  • Sr. Member
  • ****
  • Posts: 338
Answer to Question 1

d

Answer to Question 2

e



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

For a complete list of videos, visit our video library