Because the rotation period of the Earth is almost the same as the length of its day we sometimes get a bit sloppy in discussing the rotation of the sky, and say that the stars rotate around us once each day. In a similar way it is not unusual for careless people to mix up the rot...
A new method devised by Tel Aviv University researcher Dr. Ravit Helled, published recently inNature, proposes a new determination of Saturn's rotation period and offers insight into the internal structure of the planet, its weather patterns, and the way it formed. The method, by Dr. Helled...
InUranus: Basic astronomical data …terms of this definition, Uranus spins clockwise, or in a retrograde fashion, about its north pole, which is opposite to the prograde spin of Earth and most of the other planets. When Voyager 2 flew by Uranus in 1986, the north pole was in darkness, ...