Siddons Patera [SEP] located on astronomical body
Siddons Patera
Siddons Patera is a volcanic caldera on Venus surrounded by collapsed lava tubes.
List of extraterrestrial volcanoes
This is a list of active, dormant, and extinct volcanoes located beyond planet Earth. They may be designated mons (mountain), patera (an irregular crater) or tholus (small mountain or hill) in accordance with the International Astronomical Union's rules for planetary nomenclature. Many of them are nameless.
Io.
Io, a moon of the planet Jupiter, is the most volcanically active body in the Solar System. Its volcanoes are believed to eject sulfur and sulfur dioxide, as