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Author Question: The ESA's GAIA project will be able to measure parallax and stellar properties of about how many ... (Read 39 times)

Chelseaamend

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on: Jul 27, 2018
The ESA's GAIA project will be able to measure parallax and stellar properties of about how many stars?
 
  A) one million
  B) ten thousand
  C) one billion
  D) one hundred billion
  E) None; it has a different purpose.

Question 2

Rilles on the Moon are due to volcanism, not impacts.
 
  Indicate whether the statement is true or false


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maaaaaaaaaa

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

C

Answer to Question 2

TRUE


Chelseaamend

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Reply 2 on: Jul 27, 2018
Gracias!

xiaomengxian

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Reply 3 on: Yesterday
:D TYSM

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