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'Like nothing we've seen before': James Webb telescope spies a mysterious asteroid-comet hybrid lurking past Jupiter

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Astronomers found carbon dioxide and carbon monoxide in Chiron 's icy nucleus.

The findings could help scientists better understand comets and centaurs.

Chiron orbits the sun about once every 50 years , traveling in an oblong loop in the region between Jupiter and Neptune .

Astronomers also detected water ice and lightweight carbon-containing molecules like ethane and propane for the first time.