太阳系遭受撞击最严重的天体，表面古老的撞击坑层层叠叠，已有 40 亿年历史。
太阳系遭受撞击最严重的天体，表面古老的撞击坑层层叠叠，已有 40 亿年历史。
Callisto (木卫四) is a moon orbiting Jupiter with a radius of 2,410.3 km and surface gravity of 1.24 m/s². You can land on and walk on Callisto in Solar Wanderer. Explore Callisto in real-time 1:1 scale at Solar Wanderer.
点击上方按钮打开 Solar Wanderer，应用会自动飞向木卫四。
Click the button above to open Solar Wanderer — the app will automatically fly to Callisto.