The Sun's Light is Much Older Than You May Think

By Jamie Condliffe on at

You probably know that it takes about eight minutes for light travel from the surface of the Sun to our humble planet. But sunlight is far older than that — in fact, it’s thousands of years old.

In this neat little video, Sten Odenwald describes the physics explains why our sun’s light is so old — and it involves a journey right to the core of the Sun. [TED-Ed]