Science
How hot is the sun? – ZME Science
I have it on very good authority that it’s 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 regions being brighter for “a particularly Halloween-like appearance”. Image credits NASA.
A lot of the…
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