Then there is the sidereal (astronomical) day, the day reckoned by the Earth’s rotation returning to the previous day in space rather than returning to how it faces the sun. That is about 4 minutes shorter than the solar day, producing a sidereal year that is 366 1/4 sidereal days in the space of our standard year.I really need to get a life.
Then there is the sidereal (astronomical) day, the day reckoned by the Earth’s rotation returning to the previous day in space rather than returning to how it faces the sun. That is about 4 minutes shorter than the solar day, producing a sidereal year that is 366 1/4 sidereal days in the space of our standard year.I really need to get a life.