Mars, also known as Red Planet, is called this way because of the pink or red coloring of the sky and rocks of the planet. Because of its color, it was called Mars by the ancient romans, to honor their war god.
Facts about Mars:
- Mars has two satellites, Phobos and Deimos.
- It has a surface area of 144,798,500 km² (just 28.4% of Earth’s surface area)
- To escape the gravity of Mars, a ship needs an escape velocity of over 5km/s.
- The temperature of Mars, varies between −87 °C and −5 °C.
- It’s the seventh largest planet from the solar system.
- The first mission to Mars that was successful, happened in 1965, and it was Mariner 4, which transmitted back to Earth 22 photos of Mars.
- The URSS was the first country to successfully land on the moon, with their Mars 2 and Mars 3 probes. However, just seconds after they landed, contact was lost with both probes.
- Earth currently has three spacecraft on the orbit of Mars and two probes on the surface, more than we have on any other planet in the system.
- Despite the harsh conditions on the surface of Mars, this is still the planet with the best chances for colonization in the future.
- The length of a Mars day is equivalent to 24.6 Earth hours.
- The length of the Martian year is equivalent to 686.98 Earth days.
- Mars is home to the largest volcano in the solar system. It’s called Olympus Mons and it’s 550km wide.
- Winds on Mars can reach speeds of up to 100km/h.