Portal:Solar System/Did you know/9

...that the south pole of the planet Mercury is located in the Bach quadrangle?
...that the Sweden Solar System is currently the world's largest scale model of the solar system?
...that the dominant feature in the Shakespeare quadrangle is the 1300-km wide Caloris Planitia, the largest and best preserved impact basin on Mercury observed by the spacecraft Mariner 10?
...that the nearly circular shape of Lukanga Swamp, a wetland covering 2,600 km² in Central Province, Zambia, has led to speculation that it may be a crater formed by the impact of a meteorite?