The time it takes the Earth to rotate once is called a sidereal day. The actual rotation time is about 23 hours and 56 minutes.The mean solar day is longer, exactly 24 h â¦ ours, because of the distance the Earth moves in its orbit around the Sun.This orbital motion causes the small daily apparent motion of the Sun to the East in the sky.he time it takes the Earth to rotate once is called a sidereal day. The actual rotation time is about 23 hours and 56 minutes.
Not to be confused with Acadian French or Cajun French. Akkadian (/ÉËkeÉªdiÉn/ akkadÃ», ðððºð ak-ka-du-u2; logogram: ðµð  URIKI ) is an extinct East Semitic language (part of the greater Afroasiatic language family) that was spoken in ancient Mesopotamia.
A brief treatment of Babylonia follows. For full treatment, see Mesopotamia, history of. The history of Sumer and Akkad is one of constant warfare. The Sumerian city-states fought one another for the control of the region and rendered it vulnerable to invasion from Akkad and from its neighbour to the east, Elam.