Boys Champs begun in 1910 â Wolmers High School won. Girls Champs begun in 1957 â St. Hildaâs High School won. Boys Champs was held separately from Girls Champs. In 1999, Boys and Girls Champs were merged into one event. There was no Champs held in 1944 (Boys Champs), 1958, 1959 and 1960 (Girls Champs)
It actually takes the Earth 23 hours, 56 minutes, and 4.09 seconds to turn once on its axis compared to the background stars. The night sky, showing 6 hours of rotation captured by long-exposure.
Earth's Rotation. Earth's Rotation and the Apparent Daily Motion of the Sky. The earth rotates about an imaginary line that passes through the North and South Poles of the planet. This line is called the axis of rotation. Earth rotates about this axis once each day (approximately 24 hours). Although you most likely already knew that fact, there is a slight complication most people are not aware of. More specifically, our rotation period (the time elapsed for one rotation) with respect to the stars is called a sidereal day. A sidereal day is 24 sidereal hours, or 23 hours and 56 minutes on a normal clock. Our clock time is based on the earth's rotation with respect to the sun from solar noon to solar noon.