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Hyper-velocity impacts on rubble pil...

Deller, Jakob.

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Hyper-velocity impacts on rubble pile asteroids

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Hyper-velocity impacts on rubble pile asteroids/ by Jakob Deller.
作者:	Deller, Jakob.
出版者:	Cham :Springer International Publishing : : 2017.,
面頁冊數:	xxix, 164 p. :ill., digital ;24 cm.
內容註:	Introduction -- Methods -- A New Approach to Modelling Impacts on Rubble Pile Asteroid Simulants -- Impacts on Rubble Pile Asteroid Steins -- Discussion.
Contained By:	Springer eBooks
標題:	Asteroids. -
電子資源:	http://dx.doi.org/10.1007/978-3-319-47985-9
ISBN:	9783319479859

Hyper-velocity impacts on rubble pile asteroids
Deller, Jakob.

Hyper-velocity impacts on rubble pile asteroids[electronic resource] /by Jakob Deller. - Cham :Springer International Publishing :2017. - xxix, 164 p. :ill., digital ;24 cm. - Springer theses,2190-5053. - Springer theses..

Introduction -- Methods -- A New Approach to Modelling Impacts on Rubble Pile Asteroid Simulants -- Impacts on Rubble Pile Asteroid Steins -- Discussion.

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 Steins, 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.

ISBN: 9783319479859

Standard No.: 10.1007/978-3-319-47985-9doiSubjects--Topical Terms:

566765
Asteroids.

LC Class. No.: QB651

Dewey Class. No.: 523.44

Hyper-velocity impacts on rubble pile asteroids
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