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Cool Your Jets

If you want someone to calm down, you might say “Cool your jets!” This expression is among several catchphrases from a 1950s TV show about the extraterrestrial adventures of Tom Corbett, Space Cadet. Others include plug your jets...

Smile Belt

The only time you’ll ever see the sun’s outer atmosphere is during a full solar eclipse, when sun itself is completely covered. That hazy ring is called the corona, from the Latin word for “crown” — just like the little crown...