A CIVA handout image shows a probe named Philae after it landed on a comet, known as 67P/Churyumov-Gerasimenko

A probe named Philae is seen after it landed on a comet, known as 67P/Churyumov-Gerasimenko, in this CIVA handout image released November 13, 2014. REUTERS/ESA/Rosetta/Philae/CIVA/Handout via Reuters