Mars is the fourth planet from the Sun and often described as the Red Planet, and is currently the only planet who’s surface can be viewed in detail from Earth. Around 4 billion years ago Mars has a molten core just like the Earth and was originally formed by the same process as the Earth.
Mars orbits the Sun every 687 Earth days and a Martian day is around 30 minutes longer than that of Earth’s. During Mars’s Winter temperature on the Red Planet can drop as low as -88 °C. Earth is approximately 9 times bigger than Mars.