[HTML][HTML] Formation of comets

J Blum, D Bischoff, B Gundlach - Universe, 2022 - mdpi.com
Questions regarding how primordial or pristine the comets of the solar system are have been
an ongoing controversy. In this review, we describe comets' physical evolution from dust and …

Cometary nuclei—from Giotto to Rosetta

HU Keller, E Kührt - Space Science Reviews, 2020 - Springer
We will briefly recapitulate the beginning of modern cometary physic. Then we will assess
the results of the cometary flyby missions previous to ESA's Rosetta rendezvous with comet …

The Philae lander reveals low-strength primitive ice inside cometary boulders

L O'rourke, P Heinisch, J Blum, S Fornasier… - Nature, 2020 - nature.com
Abstract On 12 November 2014, the Philae lander descended towards comet
67P/Churyumov–Gerasimenko, bounced twice off the surface, then arrived under an …

Learning about comets from the study of mass distributions and fluxes of meteoroid streams

JM Trigo-Rodríguez, J Blum - Monthly Notices of the Royal …, 2022 - academic.oup.com
Meteor physics can provide new clues about the size, structure, and density of cometary
disintegration products, establishing a bridge between different research fields. From meteor …

[HTML][HTML] Ballistic deployment of the Hayabusa2 artificial landmarks in the microgravity environment of Ryugu

S Kikuchi, N Ogawa, O Mori, T Saiki, Y Takei, F Terui… - Icarus, 2021 - Elsevier
Hayabusa2 deployed two artificial landmarks called “target markers (TMs)” on the asteroid
Ryugu for autonomous landing control. To achieve precise deployment on target landing …

Transmission of a seismic wave generated by impacts on granular asteroids

P Sánchez, DJ Scheeres… - The Planetary Science …, 2022 - iopscience.iop.org
In this paper, we use a soft-sphere discrete element method code to simulate the
transmission and study the attenuation of a seismic wave. Then, we apply our findings to the …

[HTML][HTML] Mechanical properties of cometary surfaces

J Biele, JB Vincent, J Knollenberg - Universe, 2022 - mdpi.com
Mechanical properties, in particular, strength (tensile, shear, compressive) and porosity, are
important parameters for understanding the evolution and activity of comets. However, they …

Thermal inertias of pebble-pile comet 67P/Churyumov–Gerasimenko

S Arakawa, K Ohno - Monthly Notices of the Royal Astronomical …, 2020 - academic.oup.com
The Rosetta mission to comet 67P/Churyumov–Gerasimenko has provided new data to
better understand what comets are made of. The weak tensile strength of the cometary …

Constraining the final merger of contact binary (486958) Arrokoth with soft-sphere discrete element simulations

JC Marohnic, DC Richardson, WB McKinnon… - Icarus, 2021 - Elsevier
Abstract The New Horizons mission has returned stunning images of the bilobate Kuiper belt
object (486958) Arrokoth. It is a contact binary, formed from two intact and relatively …