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)a hundred years ago.
B)a thousand years ago.
C)tens of thousands of years ago.
D)hundreds of thousands of years ago.
E)a million years ago.

Question

Quizplus · Accepted Answer

The energy of the light was released by fusion in the solar core hundreds of thousands of years ago, as it takes a long time for the energy to travel from the core to the surface, where it can be radiated out as light.

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