Because the ocean is filled with liquid water.
it is a liquid because if it was the pacific ocean it's filled with liquid
Europa possibly, has a liquid ocean under the surface ice.
The oceans are made of liquid ethane.
Europa is the moon of Jupiter which contains liquid ocean or H2o
the ocean the ocean
yeah the ocean
Ocean
The ocean
The ocean
The ocean
Europa is the moon that could possibly contain a liquid ocean under its icy surface, and it could possibly be liquid water, or H2O!
Why scientists believe a liquid water ocean might exist on the moon Titan