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Author Question: What is the major component of Io's volcanic flows? A) basaltic lava, like the lunar mare B) ... (Read 46 times)

faduma

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on: Jul 27, 2018
What is the major component of Io's volcanic flows?
 
  A) basaltic lava, like the lunar mare
  B) liquid nitrogen, like the eruptions of Triton
  C) sulfur and its compounds
  D) carbon dioxide and water vapor, as with our eruptions
  E) iron oxide, as on Mars

Question 2

Why is UV astronomy difficult to do from the ground?
 
  What will be an ideal response?


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Cnarkel

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

C

Answer to Question 2

The atmosphere blocks most of the UV waves before they reach the ground. In order to see a wide range of UV wavelengths, you have to get very high in the atmosphere, such as with a balloon observatory, or above the atmosphere.


faduma

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

xiaomengxian

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Reply 3 on: Yesterday
Gracias!

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