The American probe Deep Space 1 passed close to the comet 19P/Borrelly at just 16 km/s, thus managing to take sharper and more detailed photos than those of Halley taken by Giotto (which passed at a good 68 km/s!)
The American probe Deep Space 1 passed close to the comet 19P/Borrelly at just 16 km/s, thus managing to take sharper and more detailed photos than those of Halley taken by Giotto (which passed at a good 68 km/s!)