Which planet rotates so fast that its day is only 10 hours long?
Asked by: Lindsey
Both Jupiter and Saturn have days that last about 10 hours. Jupiter has a period of
0.410 earth days or about 9.84 hours and Saturn has a period of 0.426 earth days or about
Answered by: Mike Perkins, Physics/Astronomy Major, Penn State
'A scientist is happy, not in resting on his attainments but in the steady acquisition of fresh knowledge.'