This topic contains a solution. Click here to go to the answer

Author Question: ________ galaxies seem to represent a transition between quasars and similar active nuclei compared ... (Read 36 times)

maegan_martin

  • Hero Member
  • *****
  • Posts: 532
________ galaxies seem to represent a transition between quasars and similar active nuclei compared to more normal spirals.
 
  Fill in the blank(s) with correct word

Question 2

The Chandra X-ray telescope must use:
 
  A) a lens of fluorite.
  B) grazing incidence optics to focus the short wavelengths.
  C) a Newtonian reflecting design to avoid chromatic aberration.
  D) X-ray film instead of CCDs for imaging.
  E) a Schmidt corrector plate to avoid spherical aberration.



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
Answer to Question 1

Seyfert

Answer to Question 2

B




maegan_martin

  • Member
  • Posts: 532
Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it


kswal303

  • Member
  • Posts: 316
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

For a complete list of videos, visit our video library