Astrochemistry and Origins

Interstellar Matter and Cosmology

Stellar and Solar Physics

Solar and Planetary Systems

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3 months 2 weeks ago

An international scientific team including two co-Investigators from the IAS has determined the elemental composition of the dust of 67P/Churyumov-Gerasimenko, the comet explored by the European space probe Rosetta. Their results reveal some of the most carbon-rich materials and the least altered ever explored. This cometary carbon is essentially in a macromolecular organic structure, meaning that it is mainly in that form that it was delivered by comets to the primitive Earth.


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