Using data gathered by NASA's Juno Jupiter orbiter, scientists estimate that Europa's ice shell is about 18 miles thick — which could make it hard for nutrients to get down to its buried ocean.

Jupiter's moon Europa has an ice shell about 18 miles thick — and that could be bad news for alien life

Source: space
Source Link: https://www.space.com/astronomy/jupiter/jupiters-moon-europa-has-an-ice-shell-about-18-miles-thick-and-that-could-be-bad-news-for-alien-life