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Author Question: About how many stars has the Hipparcos mission given us accurate distance data on? A) about ... (Read 59 times)

itsmyluck

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About how many stars has the Hipparcos mission given us accurate distance data on?
 
  A) about 3,000, about half of what you can see with the naked eye alone
  B) over 6000, the visible naked eye stars and some seen in binoculars
  C) 60,000, those within about 100 light years of us
  D) a million, those with parallaxes of .005 or larger
  E) over 100 billion, almost every star in the galaxy

Question 2

Ice has been detected near the poles of both the Moon and Mercury.
 
  Indicate whether the statement is true or false



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Dominic

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Answer to Question 1

D

Answer to Question 2

TRUE





 

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