The light radiated from the Sun's surface reaches Earth in about 8 minutes, but the energy of that light was released by fusion in the solar core about ________.
A) few hundred thousand years ago
B) three days ago
C) one hundred years ago
D) one thousand years ago

Question

Quizplus · Accepted Answer

The energy of the light that we see from the Sun is created by nuclear fusion in its core. This energy takes a long time to make its way from the core to the surface of the Sun, and it then takes another 8 minutes for this energy to reach Earth. In fact, it takes hundreds of thousands of years for the energy created in the solar core to travel through the layers of the Sun to reach its surface. Therefore, the correct choice is A) few hundred thousand years ago.

The Light Radiated from the Sun's Surface Reaches Earth in About