Io
At a glance
- Type
- Moon
- Distance
- Solar System
- Naked eye
- Only through a telescope
- Known since
- 1600–1900 (early telescopes)
- Colour
- Yellow, Orange
- Feature
- Volcanoes
- Difficulty in WildGuessr
- Medium
Did you know?
- Io is slightly bigger than our Moon.
- Jupiter's strong pull keeps squeezing and stretching Io, which heats up its inside.
Could you guess it from clues?
WildGuessr picks a secret animal, plant, fungus, stone, prehistoric creature or space object and you ask yes-or-no questions about it, such as its group or where it grows. The fewer clues you need, the more points you score.
Similar space objects
Classification, names and conservation status come from Wikidata (CC0), the photo from Wikimedia Commons. Wikidata Q3123 · All space objects · All entries