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Which trace ices have been detected on Triton?
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Triton
Image of Triton, Neptune's largest satellite, captured by a camera aboard Voyager 2, 1989.
Spectroscopic studies have identified trace amounts of carbon monoxide and carbon dioxide ices on the surface of Triton.1
While the moon's surface is primarily covered by methane and nitrogen ices, these trace components were detected through observations conducted from Earth.1