Just how sunlike is the sun?

When compared with similar stars, where does sun fit in?

Spazio Scientific American 6 g fa

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If you’re not an astronomer, the obvious answer is yes . That’s tautological! Sunlike stars are stars like the sun. The sun is the sun, so it’s the most sunlike of them all!

Astronomers, though, can be persnickety. When asked that question, they immediately shoot another right back: What do you mean by “sunlike”?

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