How much of the sky, in degrees, does an outstretched fist held at arm's length approximately cover?

Answer

Roughly 10 degrees

A handy trick for estimating angular distance mentioned in the text is using the hand: an outstretched fist held at arm's length covers roughly 10 degrees of the sky.

How much of the sky, in degrees, does an outstretched fist held at arm's length approximately cover?
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