In situ research of cometary chemistry began when measurements from the Giotto mission at
Comet 1P/Halley revealed the presence of complex organics in the coma. New telescopes …

This chapter reviews the estimates of the dust-to-gas and refractory-to-ice mass ratios
derived from Rosetta measurements in the lost materials and the nucleus of 67P/Churyumov …

Comets are considered to be some of the most pristine and unprocessed Solar system
objects accessible to in situ exploration. Investigating their molecular and elemental …

ABSTRACT Our modern day Solar System has 4.6× 109 yr of evolution behind it with just a
few relics of its birth conditions remaining. Comets are thought to be some of the most …

Before Rosetta, the space missions Giotto and Stardust shaped our view on cometary dust,
supported by plentiful data from Earth based observations and interplanetary dust particles …

We collect observational evidence that supports the scheme of mass transfer on the nucleus
of comet 67P/Churyumov–Gerasimenko. The obliquity of the rotation axis of 67P causes …

The radio science experiment RSI on-board Rosetta determined the mass of the nucleus of
comet 67P/Churyumov–Gerasimenko at the start of the prime mission from 2014 August to …

We present the analysis of≈ 100 molecular maps of the coma of comet 67P/Churyumov-
Gerasimenko that were obtained with the MIRO submillimeter radiotelescope on board the …

Primitive objects like comets hold important information on the material that formed our solar
system. Several comets have been visited by spacecraft and many more have been …

Comets evolve due to sublimation of ices embedded inside porous dust, triggering dust
emission (that is, erosion) followed by mass loss, mass redistribution and surface …