Concept
Subsurface Ocean
A hidden ocean beneath an icy crust.
Liquid water (or other liquids) believed to exist under the icy shells of moons like Europa, Enceladus, Ganymede, Callisto and Titan.
Overview
Liquid water (or other liquids) believed to exist under the icy shells of moons like Europa, Enceladus, Ganymede, Callisto and Titan.
See also
The Big Bang
How everything began, 13.8 billion years ago.
Black Holes
Regions where gravity stops light itself.
Dark Matter
The invisible mass holding galaxies together.
Dark Energy
The mysterious force accelerating the universe.
Light-Year & Astronomical Distances
Measuring the unimaginable.
Gravity
The force that shapes the universe.