1. Comets discovered by the SOHO solar orbiter

2. ISEE-3/ICE (1978-1981) sent to study comet Giacobini-Zinner

4. Giotto’s Adoration of the Magi (1305-1306) http://www.aug.edu/augusta/iconography/newStuffForXnCours/arenaChapel/magiGiotto.jpg

5. Giotto (ESA) 1986-1992

6. Galileo: encountered Comet Shoemaker-Levy 9 in July, 1994

7. An artist's impression of the Ulysses spacecraft passing through the tail of comet Hyakutake. European Space Agency/David Hardy

8. Deep Space 1 1998-2001

9. STARDUST (2006)

10. Rosetta (2004-2014) 67P/Churyumov-Gerasimenko

11. Deep Impact fires projectile into Comet Tempel 1

12. Hartley 2, Close Up from EPOXI

13. before-and-after comparison of the part of comet Tempel 1 that was hit by the impactor from NASA's Deep Impact spacecraft.