Universe & space

Launch of Rosetta

2 March 2004

Rosetta was a European Space Agency probe sent to study comet 67P/Churyumov-Gerasimenko, and it was named after the Rosetta Stone, whose inscriptions unlocked Egyptian hieroglyphs. Launched on an Ariane 5 rocket from French Guiana, it needed a decade-long journey with gravity-assist flybys of Earth and Mars, and it passed the asteroids Steins and Lutetia on its way. In 2014 it became the first spacecraft to orbit a comet, and its lander Philae made the first soft landing on a comet nucleus, bouncing before coming to rest in shadow. Rosetta followed the comet around the Sun and ended its mission in 2016 with a controlled descent onto the surface.

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