"The home system of humanity." Second available system. Planets[edit | edit source] There are 5 accessible planets in Sol. Earth, Mars and Mercury are currently the only ones that can be landed on. Mercury Venus Earth Mars Jupiter Retrieved from "https://aground.fandom.com/wiki/Solar_System?oldid=7788" Categories: Locations Star Systems Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.