Sunsets and sunrises on mars are blue due to large number of dust particles in the atmosphere. Blue light penetrate such atmosphere more effectively, compared to longer wavelengths of yellow and red colors. Also for that reason, during day sky appears orange due to scattering of yellow and red light ¹⁾.

The forth planet of the solar system is named after the Roman god of war, Mars²⁾, because of it's red hue visible even with the naked eye ³⁾.

Mars has two small moons, Phobos (22.2 km, 13.8 mi) and Deimos (12.6 km, 7.8 mi) ⁴⁾.

Olympus Mons is highest volcano on Mars, and the highest known mountain in solar system, with 16 miles (25 km) height ⁵⁾.

The length of the year on Earth is 365.25 days. The year on Mars is almost twice as long! It lasts for 687 Earth days.⁶⁾.

As of December 2020, there are eight missions from around the world actively orbiting Mars or exploring its surface. The missions are from the U.S., European Union, Russia, and India.⁷⁾.