These mind-blowing images were captured in 2016 by ESA’s Rosetta spacecraft using the OSIRIS imaging system. Rosetta’s mission? To study comet 67P/Churyumov-Gerasimenko and uncover secrets about the early solar system—and maybe even the origins of life on Earth. After a 10-year journey, Rosetta reached the comet in 2014, working alongside its lander, Philae. The mission wrapped up in 2016 with a controlled descent onto the comet’s surface. What mysteries do you think Rosetta unlocked? | The Gala