How can spectroscopy and infrared technology be useful in space? (A)They can enhance speed by making spacecraft fuel more efficient. (B)They can measure magnetic fields produced by astronomical bodies.

How can spectroscopy and infrared technology be useful in space?

(A)They can enhance speed by making spacecraft fuel more efficient.
(B)They can measure magnetic fields produced by astronomical bodies.
(C)They can provide an emergency escape to the astronaut from a space center.
(D)They can determine the elements that make up the surface of astronomical bodies.

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B) They can measure magnetic fields produced by astronomical bodies.

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