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Author Question: Astronomers measure stellar distances in three different units. The smallest of these is a. the ... (Read 127 times)

SO00

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on: Jul 28, 2018
Astronomers measure stellar distances in three different units. The smallest of these is
 a. the light-year.
  b. the absolute magnitude.
  c. the astronomical unit.
  d. the parsec.

Question 2

For a specific element, photons of how many different energies could be emitted by electrons in the n = 6 level as they return to the n = 1 level?
 a. 15
  b. 21
  c. 6
  d. 1


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Sophiapenny

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Reply #1 on: Jul 28, 2018
Answer to Question 1

c

Answer to Question 2

a


SO00

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Reply 2 on: Jul 28, 2018
Wow, this really help

AngeliqueG

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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