followed by the chromosphere and its corona. But the Sun doesn't really end there. The Sun holds onto its atmosphere, just like the Earth, and it's a whopper. "Once material leaves the corona at ...

Here on Earth, the atmosphere goes up several miles ... This is where hydrogen is fused into helium, outside of that is the ...

On Earth, we use it to coat jet-engine blades ... At about 3,000 kilometers above the surface, we reach the chromosphere, the second layer of the sun. See that massive plume?