Mars is called the red planet because it looks red when viewed through a telescope or when observed in a dark sky unpolluted by modern lighting. The reddish hue comes from oxides of iron which seem plentiful in the Martian soil, and in the Martian atmosphere (pictures taken on the surface of Mars show that the sky also has a pink tint).
Mecury is not called the red planet. Mars is called the red planet because of the iron oxide (rust) in it's soil, making the planet look red. Yes, Venus is the hottest planet but it is not called the red planet.
Pluto is not called the red planet. That is Mars.
Mars is sometimes called the red planet.
If you are wondering what the "red planet" is, it is the planet called~ Mars.
well people call mars the red planet , because the planets soil is all red and thats why its called the red planet.
No planet has been called the red eye. However, Mars is often referred to as the Red planet and Jupiter has a giant red spot.
because it seems red
Mars is called the red planet, mainly as the planet has a very red colour.
Planet Mars is known as the red planet.
its red
Mars is.Mars
The Red Planet