21 Lutetia
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21 Lutetia is a large M-type asteroid in the main asteroid belt. It measures about 100 kilometers in diameter. It was discovered in 1852 by Hermann Goldschmidt, and is named after Lutetia, the Latin n
Rosetta image of 21 Lutetia at closest approach. Asteroid not fully shown
Rosetta (spacecraft)
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Rosetta was a space probe built by the European Space Agency that launched on 2 March 2004. Along with Philae, its lander module, Rosetta performed a detailed study of comet 67P/Churyumov–Gerasimenko.
21 Lutetia
…system of grooves and scarps, which are thought to be fractures. It has a high overall bulk density, suggesting that it is made of metal-rich rock. The Rosetta probe passed within 3,162 km (1,965 mi) of Lutetia in July 2010. It was the largest asteroid visited by a spacecraft until Dawn arrived at Vesta in…
Illustration of Rosetta and Philae at the comet
Trajectory of the Rosetta space probe
Rosetta "selfie" at Mars
Earth from Rosetta during final flyby