Dutch Simon Marius Cited by user Karmakolle on 03 Jan 2024 Simon Mayr, gelatiniseerd Marius (Gunzenhausen, 10 januari 1573 – Ansbach, 26 december 1624) was een Duitse astronoom.
English Mercury (planet) Cited by user Stuart hc on 12 Sep 2022 Mercury is the smallest planet in the Solar System and the closest to the Sun. Its orbit around the Sun takes 87.97 Earth days, the shortest of all the Sun's planets.