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Author Question: Spacecraft have imaged erupting volcanoes on Io and Triton. Indicate whether the statement is ... (Read 20 times)

rlane42

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on: Jul 27, 2018
Spacecraft have imaged erupting volcanoes on Io and Triton.
 
  Indicate whether the statement is true or false

Question 2

Which of the following statements about stellar parallax is true?
 
  A) The closer a star is to us, the more parallax it exhibits.
  B) It takes at least 10 years of observation to measure a star's parallax.
  C) The amount of parallax we see depends on how fast a star is moving relative to us.
  D) Stellar parallax was first observed by ancient Greek astronomers.
  E) We observe all stars to exhibit at least a slight amount of parallax.


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Carissamariew

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

TRUE

Answer to Question 2

A


rlane42

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Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


Carissamariew

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Reply #3 on: Jul 27, 2018
Great! Please up vote :D


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