Vicky and Patti explore space with the Polish Astronomical Society

Our curious explorers asked Mr Ryszard Siwiec from Polish Astronomical Society a simple question:

Are there volcanoes in outer space?

above: Ryszard Siwiec during his presentation at TOEE 

There are volcanoes all around our solar system. But only a few places besides Earth—like some of the moons of Jupiter, Saturn, and Neptune—have active ones today. 
Jupiter's moon Io with over 400 active volcanoes, is the most geologically active object in the Solar System, 
Practically anywhere we have gases that can expand, we can have a form of volcanism.
By studying volcanoes in space we can start to answer questions about how planets formed.

A NASA spacecraft sees a volcanic explosion on Jupiter’s third-largest moon.
Source: https://svs.gsfc.nasa.gov

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