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Scale comparison of comets visited by spacecraft as of 2014
ISEE-3 swings by the moon
A complex trip to heliocentric orbit
ICE swings past the Moon
Asteroids and comets visited by spacecraft as of December 2012, in color, excepting Vesta [DEPRECATED]
All asteroids and comets visited by spacecraft as of August 2014, in color, albedo linearly scaled
The nucleus of Halley's comet
International Sun-Earth Explorer (ISEE-3)
Giotto's encounter with Halley's comet
Comets visited by spacecraft
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