Science Findings

July 4, 2009
Water Ice Found on Nucleus of Tempel 1
The Deep Impact mission is turning up clues to whether comets brought ice to Earth.
+ Press release


First Evidence of Weathering on Comet Wild 2
The presence of iron in samples collected from Comet Wild 2 by the Stardust mission and returned to Earth in 2006 have been interpreted as evidence for space weathering, giving the comet its rust-red hue.
+ Science Findings



Science in Depth

+ Mission Science Objectives
+ Why Study Comet Tempel 1?
+ Mission Results from Deep Impact
+ Stardust Sample Analysis


Exploring Comets

+ Why Study Comets?
+ Creating Colorful Comets
+ Comets in Ancient Cultures