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Author Question: The central engine for active galaxies is believed to be a(n) ________. Fill in the blank(s) with ... (Read 126 times)

jilianpiloj

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on: Jul 27, 2018
The central engine for active galaxies is believed to be a(n) ________.
 
  Fill in the blank(s) with correct word

Question 2

After the Lunar Reconnaissance Orbiter (LRO) crashed into the moon, its sister spacecraft LCROSS detected an amount of water in the ejecta
 
  A) comparable to soggy ground on Earth.
  B) less than is contained in desert sand on Earth.
  C) comparable to fertile soil on Earth.
  D) comparable to dried-up lake beds on Earth.
  E) Actually, no water was detected at all.


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trog

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

supermassive black hole

Answer to Question 2

B


jilianpiloj

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Reply 2 on: Jul 27, 2018
Excellent

kthug

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Reply 3 on: Yesterday
:D TYSM

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