Bok
05-16-2018, 11:21 AM
Galileo Galilei discovered Jupiter's moon Europa in 1610. More than four centuries later, astronomers are still making discoveries about its icy surface.
More... (http://www.nasa.gov/image-feature/europa-by-the-numbers)
More... (http://www.nasa.gov/image-feature/europa-by-the-numbers)