Learn more by clicking the Google or Facebook button below. Population Demographics for Tonasket, Washington in 2016 and 2017. Other Counties and Cities in Washington.
Sidereal Period versus Synodic Period. 1  Measuring the motion of the Moon around the Earth relative to the distant stars leads us to what is called the sidereal period. 2  Measuring the motion of the Moon around the Earth relative to the Sun leads us to what is called the synodic (pronounced si-nod-ik) period.
On Earth, a sidereal day is shorter than a solar day. The sidereal day is 23 hours 56 minutes and some odd seconds. This is the time it takes for the Earth to rotate once on i â¦ ts axis relative to the far distant stars.