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10 papers · 2 filters
Sublimation as an effective mechanism for flattened lobes of (486958) Arrokoth
Yuhui Zhao, Ladislav Rezac, Yuri Skorov +3
The New Horizons spacecraft's flyby of Kuiper Belt Object (KBO) (486958) Arrokoth revealed a bilobed shape with highly flattened lobes both aligned to its equatorial plane, and a r…
Component properties and mutual orbit of binary main-belt comet 288P/(300163) 2006 VW139
Jessica Agarwal, Yoonyoung Kim, David Jewitt +3
The binary asteroid 288P/(300163) is unusual both for its combination of wide-separation and high mass ratio and for its comet-like activity. It is not currently known whether ther…
Thermophysical model for icy cometary dust particles
Johannes Markkanen, Jessica Agarwal
Context. Cometary dust particles are subjected to various forces after being lifted off the nucleus. These forces define the dynamics of dust, trajectories, alignment, and fragment…
ROSINA ion zoo at Comet 67P
A. Beth, K. Altwegg, H. Balsiger +9
The Rosetta spacecraft escorted Comet 67P/Churyumov-Gerasimenko for 2 years along its journey through the Solar System between 3.8 and 1.24~au. Thanks to the high resolution mass s…
The tensile strength of compressed dust samples and the catastrophic disruption threshold of pre-planetary matter
I. L. San Sebastián, A. Dolff, J. Blum +2
During the planetary formation process, mutual collisions among planetesimals take place, making an impact on their porosity evolution. The outcome of these collisions depends, amo…
Sticky or not sticky? Measurements of the tensile strength of micro-granular organic materials
Dorothea Bischoff, Christopher Kreuzig, David Haack +2
Knowledge of the mechanical properties of protoplanetary and cometary matter is of key importance to better understand the activity of comets and the early stages of planet formati…