Light from the Sun takes about eight minutes to reach Earth, but the energy inside a single photon can spend tens of thousands of years bouncing through the Sun’s dense core before it ever escapes the surface to begin that eight-minute trip

Sunlight takes 8 minutes and 20 seconds to reach Earth from the solar surface. But the energy inside each photon spent tens of thousands of years pinballing through the Sun's core before it ever got out — a random walk through matter thirteen times denser than lead.