Basically it is because of gravity. The technical explanation is called
the " principle of hydrostatic equilibrium ".
Round Trip to Mars was created on 1957-09-23.
No
apparently it takes 686.971 days to go round
Overal the shape of the planet Mars is round. However, there is some indentations in the planet that make it a little distorted and not perfectly round.
round and flat
Mars and the Earth both follow orbits round the Sun, and they also have moons in orbit round them.
Round Trip to Mars - 1957 was released on: USA: 23 September 1957
The planet Mars is round in shape. All of the planets in our solar system are orbits. The gravitational pull of the sun has formed the planets to be around.
Mars has two moons - Phobos and Deimos.
it takes 88 days for mars to complete its revolution round the sun
Phobos and Deimos .
there some-what round