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Author Question: ________ galaxies seem to represent a transition between quasars and similar active nuclei compared ... (Read 12 times)

maegan_martin

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on: Jul 27, 2018
________ 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.


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Anna

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Reply #1 on: Jul 27, 2018
Answer to Question 1

Seyfert

Answer to Question 2

B


maegan_martin

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Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)

momolu

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Reply 3 on: Yesterday
Excellent

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