Saturn's moon Enceladus has a worldwide, water-based mostly ocean
Scientists have suspected for some time that Saturn’s moon Enceladus has a big water ocean, they usually now have some exhausting proof to help their theories. Because of the Cassini spacecraft, NASA has found a “very slight wobble” within the moon that may solely be defined by a worldwide ocean that lets the icy crust transfer. Consider it like shaking an egg — the modifications in Enceladus’ velocity throughout orbit make its floor (the shell) shift round its rocky core (the yolk).
There are nonetheless some mysteries left, together with why Enceladus’ ocean is comparatively heat. It is attainable that Saturn’s tidal forces are warming the moon greater than probably thought. It doesn’t matter what, you are going to study extra about this celestial physique within the close to future. Cassini is conducting a really shut (30 miles) flyby of Enceladus on October twenty eighth, giving researchers the type of knowledge they’ve needed for years.
[Image credit: NASA/JPL-Caltech]