It is not only in the tunnels of CERN that we learn about the origin and composition of the universe. Look up, and space offers the most beautiful phenomena to study: black holes, dark matter, cosmic rays, etc. Studying planets, their structure and their composition teach us a lot about the formation of our own planet and might one day lead us to find a habitat and possibly life.
Click here for original story, From CERN to Jupiter: Juice embarks on its historic journey
Source: Phys.org