« previous next »

Author Question: Jet-shaped regions of radio and optical emission have been observed in a. quasars. b. radio ... (Read 80 times)

skymedlock

  • Hero Member
  • *****
  • Posts: 561
on: Jul 27, 2018
Jet-shaped regions of radio and optical emission have been observed in
 
  a. quasars.
  b. radio galaxies.
  c. the 3-Kelvin radiation.
  d. quasars and radio galaxies.

Question 2

What nuclear fusion mechanism does an isolated white dwarf use to generate energy?
 
  a. proton-proton chain
  b. CNO cycle
  c. triple alpha process
  d. white dwarfs don't generate their own energy.


ciecieme

  • Sr. Member
  • ****
  • Posts: 331
Reply #1 on: Jul 27, 2018
Answer to Question 1

d

Answer to Question 2

d


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

Did you know?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

The Absorption and Emission of an Hα Photon The Absorption and Emission of an Hα Photon
Radio Radio
Storage devices (A) External hard-disk drive (B) USB drive (C) Memory card (D) Optical disc (DVD) ... Storage devices (A) External hard-disk drive (B) USB drive (C) Memory card (D) Optical disc (DVD) ...
Examples of Body Regions and Their Location Examples of Body Regions and Their Location
Source Regions: Air Masses Source Regions: Air Masses
Didinium, a barrel-shaped ciliate with tufts of cilia, catching (left) and engulfing (right) Paramec Didinium, a barrel-shaped ciliate with tufts of cilia, catching (left) and engulfing (right) Paramec
Video: Acid-base imbalances - metabolic acidosis and alkalosis

For a complete list of videos, visit our video library