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Hypervelocity Impacts On Rubble Pile Asteroids Deller Jakob

SKU: BELL-6750924

$ 31.00 ~~$ 45.00~~ (-31%)

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Hypervelocity Impacts On Rubble Pile Asteroids Deller Jakob instant download after payment.

Publisher: Springer

File Extension: PDF

File size: 9.35 MB

Pages: 188

Author: Deller, Jakob

ISBN: 9783319479842, 9783319479859, 3319479849, 3319479857

Language: English

Year: 2017

Product desciption

Hypervelocity Impacts On Rubble Pile Asteroids Deller Jakob by Deller, Jakob 9783319479842, 9783319479859, 3319479849, 3319479857 instant download after payment.

The thesis presents a tool to create rubble pile asteroid simulants for use in numerical impact experiments, and provides evidence that the asteroid disruption threshold and the resultant fragment size distribution are sensitive to the distribution of internal voids. This thesis represents an important step towards a deeper understanding of fragmentation processes in the asteroid belt, and provides a tool to infer the interior structure of rubble pile asteroids. Most small asteroids are 'rubble piles'? re-accumulated fragments of debris from earlier disruptive collisions. The study of fragmentation processes for rubble pile asteroids plays an essential part in understanding their collisional evolution. An important unanswered question is "what is the distribution of void space inside rubble pile asteroids?" As a result from this thesis, numerical impact experiments can now be used to link surface features to the internal structure and therefore help to answer this question. Applying this model to asteroid ̉teins, which was imaged from close range by the Rosetta spacecraft, a large hill-like structure is shown to be most likely primordial, while a catena of pits can be interpreted as evidence for the existence of fracturing of pre-existing internal voids.
Abstract: The thesis presents a tool to create rubble pile asteroid simulants for use in numerical impact experiments, and provides evidence that the asteroid disruption threshold and the resultant fragment size distribution are sensitive to the distribution of internal voids.