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...
A bolt-hole is a place where you can escape to avoid people you don’t want to run into. This term for “a type of refuge” is used mainly in Britain, and refers to a place an animal might flee to if disturbed. This is part of a...