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The core of this ocean world is iron.
Like our planet, Europa is believed to have an iron core.
Certain features make it hard to distinguish between the two—can you tell them apart?
The core of this ocean world is iron.
The surface of this ocean world has glaciers, ridges and valleys, and tides that stretch and relax across its surface.
This ocean world is 93 million miles away from the Sun.
This ocean world has its own moon.
Approximately 70 percent of this ocean world is covered in water.
This ocean world has been studied by more than ten NASA missions.
This ocean world has an ocean depth of between 40 to 100 miles (60 to 150 kilometers).