syntax252 Posted February 15, 2005 Share Posted February 15, 2005 If the Earth did not rotate on it's axis, but it did still orbit the sun, then one day and one year would be the same. See what I am saying here? So, the question is, in a 365 day year, how many times does the Earth rotate on it's axis? 364? or 366. Link to comment Share on other sites More sharing options...
Jacques Posted February 15, 2005 Share Posted February 15, 2005 http://www.mmscrusaders.com/newscirocks/astro/sideral-solar.htm Solar years 365.2425 Sideral years 365.2465 Link to comment Share on other sites More sharing options...
J.C.MacSwell Posted February 15, 2005 Share Posted February 15, 2005 http://www.mmscrusaders.com/newscirocks/astro/sideral-solar.htmSolar years 365.2425 Sideral years 365.2465 How many hours & minutes does it take for the Earth to rotate once? Link to comment Share on other sites More sharing options...
syntax252 Posted February 15, 2005 Author Share Posted February 15, 2005 How many hours & minutes does it take for the Earth to rotate once? According to the link that J.C. posted, the Earth has to rotate more that 360 degrees to make a solar day. I gather from the link that the answer to my question is that the Earth rotates 366 times in a 365 day year because the rotation is counter clockwise for both the orbit and the rotation as seen from a point above the North pole. Right? Edited to add: So, I guess that it takes a little less than 24 hrs. for the Earth to rotate 360 degrees on it's axis. They said 4 minuets less. Link to comment Share on other sites More sharing options...
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