Day is time taken by the earth to complete one rotation about its axis.
Earth is the blue planet.
Earth is the densest planet.
How many natural satellite does the Earth have?
Mercury, Venus, Earth and Mars are the inner planets.
Moon is the natural satellite of the Earth.
The angle of inclination of Mars is nearly same as that of Earth.
The length of the day is nearly same on the planet Mars as that of the Earth.
There are eight major Planets including Earth.