A photon from the Sun takes approximately 8 minutes and 20 seconds to travel the 93 million miles (150 million kilometers) to reach Earth's surface. This is because light travels at a speed of about 299,792 kilometers per second (186,282 miles per second) in a vacuum.
A photon from the Sun takes approximately 8 minutes and 20 seconds to travel the 93 million miles (150 million kilometers) to reach Earth's surface. This is because light travels at a speed of about 299,792 kilometers per second (186,282 miles per second) in a vacuum.
As sunlight penetrates the water, it is progressively absorbed and scattered. The deeper the light travels, the more colors from the spectrum are filtered out, with red wavelengths being absorbed first.
