Some facts about the Earth:

The shape of the earth is called "Geoid" means earth shaped

Its Equatorial circumference 24897 miles

Its Polar circumference is 24814 miles

Its equatorial diameter is 7926 miles

Its polar diameter is 7900 miles

The earth is about 150,000,000 km away from the sun

The average density of the Earth is 5.52 g/cm cube

The earth revolves around the sun in west to east direction

At the time of Perihelion the distance between the Sun and the Earth is 91 million miles (147 million km)

At the time of Aphelion the distance between the Sun and the Earth is 95 million miles (152 million km)

The axis of the earth is inclined to the plane of the ecliptic at an angle of 66 1/2 degree, giving rise to different seasons and varying length of days and night.

Summer Solstice and Winter Solstice falls on 21st June and 22nd September respectively

Spring Equinox and Autumn Equinox falls on 21st March and 23rd September respectively