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madisynblackwel
madisynblackwel madisynblackwel
  • 13-02-2017
  • Chemistry
Answered

3.what would be the best place to build an optical telescope?


4.A measure of the amount of light given off by a star is its?


5.the first artificial satellite to orbit the Earth was?

Verified Answer :

poundcopy poundcopy
  • 03-05-2017

I can help you with question 5.  The first artificial satellite to orbit the Earth was called Sputnik I, launched by the (then) Soviet Union in 1957.

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