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J. Grygorczuk

Researcher at Polish Academy of Sciences

Publications -  18
Citations -  356

J. Grygorczuk is an academic researcher from Polish Academy of Sciences. The author has contributed to research in topics: Comet & Emissivity. The author has an hindex of 9, co-authored 18 publications receiving 317 citations.

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Thermal and mechanical properties of the near-surface layers of comet 67P/Churyumov-Gerasimenko

TL;DR: Using data from the MUPUS instrument package gathered at the Philae landing site Abydos on comet 67P/Churyumov-Gerasimenko, the diurnal temperature to vary between 90 and 130 K and a sintered near-surface microporous dust-ice layer with a porosity of 30 to 65% is consistent with the data.
Journal Article

MUPUS insertion device for the Rosetta mission

TL;DR: An original mechanical device designed to insert a penetrator into a cometary nucleus in an almost gravity-free environment is described in this article, which comprises a hammer and a power supply system that stores electrical energy in a capacitor.
Journal ArticleDOI

Determining the geotechnical properties of planetary regolith using Low Velocity Penetrometers

TL;DR: In this article, a comparison between DCP and LVP operation was observed during several tests campaigns during the mole KRET and CHOMIK instrument development, in different planetary analogues: JSC-1A, Chenobi and AGK-2010, Phobos analogue, cometary analogues F1, F2 and F3 (SRC) and dry quartz sand.
Journal ArticleDOI

Lunar Net—a proposal in response to an ESA M3 call in 2010 for a medium sized mission

Alan Smith, +61 more
TL;DR: LunarNet as discussed by the authors is an evolution of the 2007 LunarEX proposal to ESA (European Space Agency) which draws on recent significant advances in mission definition and feasibility, and the successful Pendine full-scale impact trials have proved impact survivability for many of the key technology items, and a penetrator system study has greatly improved the definition of descent systems, detailed penetrator designs and required resources.