madisynblackwel madisynblackwel

13-02-2017
Chemistry

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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?

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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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