When scientists first studied electromagnetic energy, many theories were proposed to explain how these waves travel through space. Which statement below best describes how scientists arrived at the current understanding of electromagnetic energy? Scientists all agreed with a single researcher who proposed the current theory.

Scientists completed internet searches of all available data to arrive at the current theory.

Scientists debated the theories with each other and compared the theories with scientific observations.

Scientists were able to observe the light from the brightest star in space, which verified the current theory