After a 10 year journey, the European Space Agency’s (ESA) Rosetta spacecraft has rendezvoused with the 2.5 mile-wide comet 67P/Churyumov-Gerasimenko in the region of space between Mars and Jupiter. Rushing towards the inner solar system at around 30,000 miles per hour, the strangely shaped comet is presenting Rosetta’s controllers with some enormous challenges in establishing […]