25 inches in circumference would be the largest normal (not  hydrocephalic) head.    The world record holder is Rick Walters.
Trending Now. Answers. Best Answer: 365 days, 5 hours, 49 minutes and 1.20 seconds (or 365.242375 days). The distance is not so easy; the Earth doesn't travel in a circle through space. With relation to the Sun, it does, but since the Sun is moving, the Earth moves in a helixal orbit.
Regarding its axis, the earth rotates roughly 465.1 meters per second, using earth's sidereal rotational period in the calculation. The orbital velocity of the earth is about 29,783 kilometers per second. Answer It takes 365 days ,6 hours ,9 minuites ,and 9.54 second to make full orbit.