How does space research use the electromagnetic spectrum?

Question

A.By looking at colors in stars, planets, and other objects with the naked eye.

B.By viewing satellite cameras to view stars and planets.

C.By detecting many types of radiation with both earth-based and space-based telescopes.

D.By using light-detecting telescopes to view stars and planets.

Answer 1

C.By detecting many types of radiation with both earth-based and space-based telescopes.