which is known as Saturn's "Death Star" moon because of its distinctive crater (not visible in the above image), can be seen floating above the planet's rings. SEE ALSO: These photos of a hexagon ...

Two Colorado-based researchers proposed a solution in a recently published scientific paper involving clocks floating in space to calculate the time difference between the Earth and the Moon.

Once flung away from its host planet, the fate of a free-floating moon is unpredictable. If it falls into orbit around a star it can become a planet, but it’s also possible that another ...