The sun is the only source of electromagnetic waves on Earth. True or false?

Understand the Problem

The question is asking whether the statement about the sun being the only source of electromagnetic waves on Earth is true or false. It's important to consider what other sources of electromagnetic waves exist on Earth, potentially from man-made objects and natural phenomena.

More Information

The Sun is a major source of electromagnetic waves that reach Earth, but it is not the only one. Other sources include artificial sources such as communication devices, power lines, and electronic equipment. Furthermore, natural sources like lightning also produce electromagnetic waves.

Tips

A common mistake is assuming only natural sources are considered, but human-made sources are significant as well.

Sources

• Electromagnetic Radiation - ces.fau.edu
• Introduction to the Electromagnetic Spectrum - NASA Science - science.nasa.gov