Rosetta Takes Comet's Temperature

ESA’s Rosetta spacecraft has made its first temperature measurements of its target comet, finding that it is too hot to be covered in ice and must instead have a dark, dusty crust.

#RosettaAreWeThereYet – Fabulous fables and tales of tails

Long, long ago men and women on Earth gazed in wonder at comets that appeared in the sky. What where these mysterious objects? Rosetta and Philae learn about the history of comets from their grandfather, Giotto.

Rosetta's Comet: Imaging the Coma

The nucleus of comet 67P/Churyumov-Gerasimernko as seen by Rosetta's OSIRIS instrument from a distance of 1,210 miles (1,950 kilometers) on July 29, 2014. Image Credit: ESA/Rosetta/MPS for OSIRIS Team MPS/UPD/LAM/IAA/SSO/INTA/UPM

Surface impressions of Rosetta’s comet

Images of comet 67P/Churyumov-Gerasimenko taken on July 14, 2014, by the OSIRIS imaging system aboard the European Space Agency's Rosetta spacecraft have allowed scientists to create this three-dimensional shape model of the nucleus. Credit: ESA/Rosetta/MPS for OSIRIS Team/MPS/UPD/LAM/IAA/SSO/INTA/UPM

Twofold Comet

A sequence of 36 interpolated images of comet 67P/Churyumov-Gerasimenko each separated by 20 minutes. Credits: ESA/Rosetta/MPS for OSIRIS Team MPS/UPD/LAM/IAA/SSO/INTA/UPM/DASP/IDA

Rosetta Infographic