Help, please !
Will give brainliest!
Twenty points !
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1. Why is a spectrometer important to astronomers?

a.) Spectrometers measure distances to stars.

b.) Spectrometers give us data on the light we cannot see with our human eyes. [I think this one might be the answer, but I'm unsure]

c.) Spectrometers help launch telescopes into space.

d.) Spectrometers are in needed to look at distant stars from Earth.

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2. Which measurement system would we use to measure within the solar system?

a.) Astronomical unit

b.) Light year

c.) Parsec [I think this is the right answer]
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