PRESENTATION OUTLINE
The sun together with all the planets and other bodies that revolve around it.
A rotation is a circular movement of an object around a center of rotation. A three-dimensional object always rotates around an imaginary line called a rotation axis.
The orbiting of one heavenly body around another.
each of two corresponding circles on the celestial sphere where the sun appears to turn after reaching its greatest declination, marking the northern and southern limits of the ecliptic.
The polar regions of Earth, also known as Earth's frigid zones, are the regions of Earth surrounding its geographical poles.
