The word sidereal derives from the

The word sidereal derives from the Latin word for "star". This is because sidereal motion is motion with respect to the stars. One sidereal day is the time it takes for a star in the sky to come back to the same place in the sky. Because, for all intents and purposes, the sky is "fixed", a sidereal day is when the earth rotates 360°. A sidereal day is 23 hours 56 minutes and 4.09 seconds long.

The word sidereal derives from the Latin word for "star". This is because sidereal motion is motion with respect to the stars. One sidereal day is the time it takes for a star in the sky to come back to the same place in the sky. Because, for all intents and purposes, the sky is "fixed", a sidereal day is when the earth rotates 360 °. A sidereal day is 23 hours 56 minutes and 4.09 seconds long.

The word sidereal derives from the Latin word for "Star". This is because sidereal motion is motion with respect to the. Stars. One sidereal day is the time it takes for a star in the sky to come back to the same place in the sky. Because for,, All intents and purposes the sky, is "fixed", a sidereal day is when the earth rotates 360 °. A sidereal day is 23 hours 56 minutes. And 4.09 seconds long.