Crossword-Solution: ROTATES 7 letters, 32 clues 🏆 scrabble score: 7

Approximately 132 hours elapse between its rising and setting at any particular point on our planet, as a consequence of the fact that it revolves in 30 hours 18 minutes at a distance of 14,600 miles more or less from its primary; and as Mars rotates in 24 hours 37 minutes from East to West the motion is almost neutralized by the circulation of this satellite.

Both the piston valve and exhaust valve are operated by cams formed on the one casting, which rotates at seven-eighths engine speed for the seven-cylinder type, and nine-tenths engine speed for the nine-cylinder engines.

When we merely consider the immensity of the starry sphere in comparison with the smallness of the terrestrial ball, which is contained many million times in the former, and then think of the rapidity of the motion which completes a whole rotation in one day and night, I cannot persuade myself how any one can hold it to be more reasonable and credible that it is the heavenly sphere which rotates, while the earth stands still.

All that we are concerned with is that, as time passes, the liquid star shrinks, rotates in one piece as if it were solid, and remains incompressible and homogeneous.

The implicit assumption is that `pumpkin holder' status is temporary and rotates periodically among senior project members.