Giotto approaching Comet Halley

Giotto approaching Comet Halley: On the night of 13–14 March 1986, ESA’s Giotto spacecraft flew to within a mere 596 km of Comet Halley, revealing for the first time how a cometary nucleus looks up close.This montage features six images from the historic flyby, with the first one (top left) taken about three hours before…