Pumpkin Sun News Today

NASA first shared this seasonally relevant image of the Sun looking like a glowing jack-o'-lantern back in 2014.

How hot is the sun? I have it on very good authority that its more than 20 degrees, for sure. The Sun is a ball of nuclear plasma so large its own weight keeps it from exploding. Very cool, but also quite hot. However, the Sun has a complicated interior structure, and surprisingly large temperature variations, both on and under its surface. Today, we’re going to look at why this is, and how we know. A ‘Pumpkin Sun’ composite image created by NASA in 2014. Colored gold-yellow, with active...