Mars (Planet) – Wikipedia
ESA - Comparing the atmospheres of Mars and Earth
Planetenforschung: Der Mars ist in seiner Entwicklung zurückgeblieben - WELT
Der Mars: Missionen und Fakten - ZDFmediathek
Mars, the red planet: Facts and information
Is an Ocean of Mars Water Trapped in the Planet's Crust? - Sky & Telescope - Sky & Telescope
Distance to Mars: How far away is the Red Planet? | Space
How Mars's Magnetic Field Let Its Atmosphere Slip Away - Eos
Mars Facts for Kids | Planet Mars Facts | DK Find Out
Der Tag, als der Mars kippte - wissenschaft.de
Mars: The Red Planet | Live Science
Facts About Mars: Temperature, Gravity, Distance | How Big Is Mars | Mars Planet | Star Walk
What Is Mars? | NASA
War der Mars einst ein von Wasser bedeckter „blauer Planet“?
Educator Guide: Exploring the Colors of Mars | NASA/JPL Edu
Mars: Steckbrief - Weltall - Natur - Planet Wissen
File:Mars, Earth size comparison.jpg - Wikimedia Commons
Mars - Wikipedia
Mars - WorldAtlas
File:OSIRIS Mars true color.jpg - Wikipedia
Mars: Was den roten Planeten für die Forschung so interessant macht
Mars: Roter Planet - Weltall - Natur - Planet Wissen
:format(jpeg)/cdn.vox-cdn.com/uploads/chorus_image/image/45827996/15-032.0.0.jpg "NASA study: Mars had a huge ocean billions of years ago - Vox")
NASA study: Mars had a huge ocean billions of years ago - Vox
Mars - Wikipedia
Facts about Mars | Facts for kids - National Geographic Kids
