Final answer:
Electromagnetic energy has been significantly used in space exploration through radio astronomy, the discovery of background radiation supporting the Big Bang theory, and advancements in X-ray and ultraviolet observations of the Sun and stars.
Step-by-step explanation:
Electromagnetic energy has been pivotal in enhancing our understanding of space in numerous ways. Here are three examples illustrating its impact:
- Radio Astronomy: Instruments like the Arecibo Radio Telescope and the Parkes Observatory have detected radio waves from space, providing insights into distant astronomical phenomena and supporting the study of the universe's structure.
- Background Radiation Discovery: The detection of microwaves by researchers such as Penzias and Wilson has played a crucial role in confirming the Big Bang theory by identifying cosmic background radiation, which is a cornerstone in our understanding of the universe's evolution.
- X-ray and Ultraviolet Observations: Pioneered by Arthur B. C. Walker, observations in the X-ray and ultraviolet wavelengths have significantly advanced our knowledge of the Sun's atmosphere and corona, along with contributing to the understanding of stellar processes and structures.
Each of these uses of electromagnetic radiation has helped astronomers decode the nature of stars and other celestial bodies, providing a deeper comprehension of cosmic events and the fundamental properties of our universe.