Planets with Volcanoes:
* Earth: The most obvious example, with active volcanoes across the globe.
* Venus: Has the most volcanoes of any planet in the solar system, with over 1,600 identified.
* Mars: Home to the largest volcano in the solar system, Olympus Mons, and other extinct volcanoes.
* Io (Moon of Jupiter): The most volcanically active body in the solar system.
Planets with Mountains:
* Earth: Mountains formed by tectonic plate movement, erosion, and volcanic activity.
* Venus: Has mountains formed by tectonic activity and volcanic eruptions.
* Mars: Olympus Mons is a massive shield volcano, but Mars also has mountains formed by tectonic activity.
* Mercury: Has a heavily cratered surface with some features that may be ancient mountains.
* Pluto: Has mountains likely made of nitrogen ice.
Moons with Volcanoes:
* Io (Moon of Jupiter): See above.
* Europa (Moon of Jupiter): Evidence suggests possible cryovolcanoes (eruptions of ice and water).
* Triton (Moon of Neptune): Evidence suggests possible cryovolcanoes.
* Enceladus (Moon of Saturn): Cryovolcanic activity erupts with icy plumes.
Moons with Mountains:
* Titan (Moon of Saturn): Has mountains likely made of water ice.
* Ganymede (Moon of Jupiter): Has mountains formed by tectonic activity.
It's important to note that while many planets and moons have volcanic and mountainous features, their origins and composition can vary greatly. Some are made of rock, while others are made of ice. Some volcanoes are active, while others are extinct.
