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Author Question: You observe a full Moon rising at sunset. What will you see at midnight? A) a full Moon high in ... (Read 171 times)

colton

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on: Jul 27, 2018
You observe a full Moon rising at sunset. What will you see at midnight?
 
  A) a full Moon high in the sky
  B) a first quarter Moon
  C) a waning gibbous Moon
  D) a third quarter Moon

Question 2

Explain why, in space, no one can hear you scream.
 
  What will be an ideal response?


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xMRAZ

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

A

Answer to Question 2

Screams, and any sound that we make, are waves of gas atoms and molecules. We perceive sound when these waves of gas particles strike our eardrums and cause them to vibrate, but it takes many trillions of such particles to move them noticeably. In interstellar space, where the gas density is extremely low, there are too few (if any) collisions with our eardrums for us to hear sound.


colton

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Reply 2 on: Jul 27, 2018
Gracias!

duy1981999

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

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