Mars, the second smallest of the solar system after Mercury, is the fourth planet from the Sun. It is named after the Roman god of war. Although Mars has only 10% of the mass of earth but it has landmass equal to the earth because 70% of earth is covered with water.
Quick Facts: –
- Scientists have found signs of existence of liquid water in the history of Mars. Today it has only frozen water.
- Mars has a thin atmosphere which is composed of carbon dioxide primarily. Once it had a thicker atmosphere that helped the water to flow.
- Olympus Mon, a volcano is the tallest mountain of the entire solar system located on the planet Mars.
- This planet has the largest dust storms in the solar system.
- After earth, Mars is the only planet that has polar ice caps.
- This planet is known to have season as well but they are much longer than earth seasons.
- Mars has the least circular orbit path among all the planets of solar system.
- This planet has two moons, Phobos and Deimos, discovered in 1877 by Asaph Hall. Their composition is very much similar to asteroids.
- Mars does not have any magnetic field. Some scientists believe that once a magnetic field existed there around 4 billion years ago.
- It is also known as the Red Planet because it has a brownish red surface.
- Mars has only 15% of the earth’s volume.
- This planet has a red tint because of the presence of a mineral called iron oxide. It is also known as rust and has the consistency of talcum powder.
- A Martian day is about 24 hours 39 minutes long.