H/T Mental Floss.
These are some interesting facts about the Sun.
Isaac Asimov described the solar system as the sun, Jupiter, and debris. He wasn’t wrong—the sun is 99.8 percent of the mass of the solar system. But what is the giant ball of fire in the sky? How does it behave and what mysteries remain? In 2017, Mental Floss spoke to Angelos Vourlidas, an astrophysicist and the supervisor of the Solar Section at Johns Hopkins University Applied Physics Laboratory, to learn what scientists know about the sun—and a few things they don’t.
1. THE SUN IS A GIANT NUCLEAR FUSION REACTOR.
The sun is so incomprehensibly big that it’s almost pointless to bother trying to imagine its size. Our star is about 860,000 miles across. It’s so big that 1.3 million Earths could fit inside…
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