Question

Why would scientists use a spectrometer in space?

A. To maintain a constant air supply on board a space shuttle
B. To convert light from stars into usable energy for humans
C. To detect the birth and death of distant stars and galaxies
D. To study the chemical composition of the surface of a planet​

Answer 1

D. To study the chemical composition of the surface of a planet

Step-by-step explanation:

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Answer 2

B. A spectrometer measures the wavelength and frequency of light, and allows us to identify and analyse the atoms in a sample we place within it.

Step-by-step explanation: