Comet Hyakutake is a comet discovered on 31 January 1996. It was dubbed the Great Comet of 1996; its passage to within 0.1 AU of the Earth on 25 March was one of the closest cometary approaches of the
Comet Hyakutake pictured during its closest approach to Earth on 25 March 1996
Comet Hyakutake photographed by Franz Haar in March 1996
X-ray emission from Hyakutake, as seen by the ROSAT satellite
Comet Hyakutake captured by the Hubble Space Telescope on 4 April 1996, with an infrared filter
Ulysses was a robotic space probe whose primary mission was to orbit the Sun and study it at all latitudes. It was launched in 1990 and made three "fast latitude scans" of the Sun in 1994/1995, 2000/2
Ulysses spacecraft
Ulysses sits atop the PAM-S and IUS combination