This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Which kind of active galaxies has been observed at the greatest distances from us? a. Seyfert ... (Read 25 times)

tatyanajohnson

  • Hero Member
  • *****
  • Posts: 569
on: Jul 27, 2018
Which kind of active galaxies has been observed at the greatest distances from us?
 
  a. Seyfert galaxies
  b. radio galaxies
  c. quasars

Question 2

A white dwarf is composed of
 
  a. hydrogen nuclei and degenerate electrons.
  b. helium nuclei and normal electrons.
  c. carbon and oxygen nuclei and degenerate electrons.
  d. degenerate iron nuclei.
  e. a helium burning core and a hydrogen burning shell.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Anna

  • Sr. Member
  • ****
  • Posts: 343
Reply #1 on: Jul 27, 2018
Answer to Question 1

c

Answer to Question 2

c


tatyanajohnson

  • Member
  • Posts: 569
Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review

bigsis44

  • Member
  • Posts: 317
Reply 3 on: Yesterday
Excellent

« previous next »
 

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?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Did you know?

Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

Patients are encouraged to take an active role in their health care. Patients are encouraged to take an active role in their health care.
Distant Galaxies Distant Galaxies
Potentially Active Volcanoes of the Western U.S Potentially Active Volcanoes of the Western U.S
Observed Mother–Child Arguments at Five Time Points Over an Eight-Year Period Observed Mother–Child Arguments at Five Time Points Over an Eight-Year Period
Active Compared with Passive Voice Active Compared with Passive Voice
Many older adults live active lives well into their eighties and beyond. Many older adults live active lives well into their eighties and beyond.
Video: What is an ecosystem?

For a complete list of videos, visit our video library