The picture you see above is Io's interior. The gray part is Io's core which is made of iron and nickel. It is surrounded by a rock shell, and the red and orange are the heat indications |
Io is the only known volcanic body besides earth. It has hundreds of many of them recently discovered by the Galileo spacecraft volcanoes all together and the Voyager satellites witnessed the eruption of all nine volcanoes at once. It was discovered in the year 1610. It was discovered by Simon Marius and Galileo Galilei. Io's radius is 1,821 kilometers which is similar to our moon's which is 1,738 kilometers. |
This picture you see above is a picture of Io |
This is a picture of Io taken from Galileo on its first flyby of Jupiter's moons. The darker circles are some of Io's volcanoes. Not all of its volcanoes are visible from this view. |
This picture you see below is a picture of the Lava Flow of Io on Tvashtar Catena.
 FAST
FACT: Io has a volcanoe named Lokey. It has lava with a
temperature of 2,600. The last time earth had those kind of
temperatures was over 3 billion tears ago. |
