- The earth annual circuit round the sun covers a distance of 996 million km.
- The earth is at the least distance from the sun (Parhelion) on January 3rd.
- The earth is at the largest distance from the sun (Aphelion) on July 4th.
- Moon is called a satellite of the earth because it revolves round the earth.
- The sun shines vertically on the Equator twice a year.