By Hubble Space Telescope. But NASA has planned space missions in 2022 to get closer to the moon of Jupiter to test for possible life inside its frozen ocean.
Hubble Directly Images Possible Plumes on Europa https://www.youtube.com/watch?v=4QJS9LcB66g&feature=youtu.be https://www.youtube.com/watch?v=4QJS9LcB66g&feature=youtu.be Hubble Directly Images Possible Plumes on Europa https://www.youtube.com/watch?v=4QJS9LcB66g&feature=youtu.be NASA's Hubble Space Telescope took direct ultraviolet images of the icy moon Europa transiting across the disk of Jupiter. Out of ten observations, Hubbl... View on www.youtube.com https://www.youtube.com/watch?v=4QJS9LcB66g&feature=youtu.be Preview by Yahoo
