Question

The first method of determining the chemical composition of substances in space was to _____.

analyze starlight transmitted to Earth

record radar data from satellites

analyze rocks brought back from the moon

capture data returned by robotic vehicles

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Answer 1

Answer:The first method to determine the chemical composition of a substance in space was using light. By determining red shift in the observed spectrum of light they could determine the elements they were observing

Step-by-step explanation: