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Author Question: The ________ focus reflector needs only a single optical surface to form images. Fill in the ... (Read 94 times)

EAugust

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on: Jul 27, 2018
The ________ focus reflector needs only a single optical surface to form images.
 
  Fill in the blank(s) with correct word

Question 2

Relate black holes in the early galaxies to quasars.
 
  What will be an ideal response?


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quynhmickitran

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

prime

Answer to Question 2

Star-produced black holes in young galaxies could migrate to their centers. As the black holes merged and formed supermassive black holes, the accretion of matter around them created the quasar outpouring of energy.


EAugust

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Reply 2 on: Jul 27, 2018
Wow, this really help

kishoreddi

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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