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written by William F. Bottke, Jr
This paper discusses the  'rubble pile' model of asteroids.   William Bottke, the author,  maintains that this model provides a better match to observational constraints and new results from numerical impact simulations than other competing models.  It provides evidence for rubble pile asteroids by discussing the rotation period of small asteroids, numerical simulations of asteroid collisions, large craters on asteroids, Mathilde's density, and tidal disruption of asteroids and comets.  The author ends with a discussion of the importance in understanding asteroids and asteroid impacts.  
Presented as a paper for the 23rd Meeting of the International Seminars on Planetary Emergencies
Erice, Italy.  September 10, 1998.
Subjects Levels Resource Types
- Solar System
= Asteroids
- Upper Undergraduate
- Lower Undergraduate
- Instructional Material
= Lecture/Presentation
- Reference Material
= Research study
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Record Creator:
Metadata instance created March 25, 2004 by Kara Lehman
Record Updated:
October 14, 2006 by Gina Brissenden
Last Update
when Cataloged:
September 10, 1998
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AIP Format
W. Bottke, , WWW Document, (
W. Bottke, Are Asteroids Rubble Piles?, , <>.
APA Format
Bottke, W. (1998, September 10). Are Asteroids Rubble Piles?. Retrieved July 5, 2020, from
Chicago Format
Bottke, William. Are Asteroids Rubble Piles?. September 10, 1998. (accessed 5 July 2020).
MLA Format
Bottke, William. Are Asteroids Rubble Piles?. 10 Sep. 1998. 5 July 2020 <>.
BibTeX Export Format
@misc{ Author = "William Bottke", Title = {Are Asteroids Rubble Piles?}, Volume = {2020}, Number = {5 July 2020}, Month = {September 10, 1998}, Year = {} }
Refer Export Format

%A William Bottke
%T Are Asteroids Rubble Piles?
%D September 10, 1998
%O text/html

EndNote Export Format

%0 Electronic Source
%A Bottke, William
%D September 10, 1998
%T Are Asteroids Rubble Piles?
%V 2020
%N 5 July 2020
%8 September 10, 1998
%9 text/html

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