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Author Question: A ____ has a few million light sensitive diodes in an array typically about a half-inch square. ... (Read 79 times)

MGLQZ

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on: Jul 27, 2018
A ____ has a few million light sensitive diodes in an array typically about a half-inch square.
 
  a. photometer
  b. charge-coupled device
  c. spectrograph
  d. photographic plate
  e. grating

Question 2

HII regions are found near stars cooler than 25,000 K because large amounts of ultraviolet photons would totally destroy the hydrogen atoms in the gas.
 
  Indicate whether the statement is true or false


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meltdown117

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

B

Answer to Question 2

F


MGLQZ

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

rachel

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Reply 3 on: Yesterday
Excellent

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