Here’s how to watch Rosetta crash-land onto its comet

Sometime around 1:20 p.m. CET on Friday, Rosetta will officially end its 12-year mission when the European Space Agency crash-lands the probe onto the surface of the comet it has been exploring.
The mission has been history-making, a thrilling achievement of science and engineering. The probe was launched in March 2004 to track down and study Comet 67P/Churyumov-Gerasimenk. In November 2014, Rosetta dropped its Philae lander onto the comet’s surface, marking the first man-made&nb