ESA’s comet chaser, Rosetta, last night flew by a small body in the main asteroid belt, asteroid Steins, collecting a wealth of information about this rare type of minor Solar System body.
At 20:58 CEST (18:58 UT) last night, ESA’s Rosetta probe approached asteroid 2867 Steins, coming to within a distance of only 800 km from it. Steins is Rosetta’s first nominal scientific target in its 11
