Author Question: What kind of observations can astronomers use to study Io's volcanoes? A) spectroscopy to ... (Read 51 times)

Starlight

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What kind of observations can astronomers use to study Io's volcanoes?
 
  A) spectroscopy to determine the composition of the plumes
  B) infrared images to study warm plumes on Io's night-side
  C) visible-light images to study the distribution of sulfur compounds on its surface
  D) visible-light images to study plumes using reflected sunlight
  E) all of the above

Question 2

The light output from some quasars varies in just a few hours.
 
  Indicate whether the statement is true or false



shayla

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Answer to Question 1

E

Answer to Question 2

TRUE



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