Computer Science
Scientific paper
Sep 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008epsc.conf.2008s&link_type=abstract
European Planetary Science Congress 2008, Proceedings of the conference held 21-25 September, 2008 in Münster, Germany. Online a
Computer Science
Scientific paper
Comets are some of the most spectacular objects in the night sky and therefore always have stimulated human imagination. Scientifically, they are of special interest since they provide information about the outer boundaries of our solar system, regions that are not easily reached by space missions. Small objects in these regions, the Kuiper Belt and the Oort Cloud, should have preserved the early stages of our solar system much better than objects that spent their life closer to the Sun where it is much hotter. Therefore, the study of cometary matter should allow to study the most primitive material of the solar system. The primary goal of the Stardust mission was to return dust from comet Wild 2 for terrestrial investigations. Earlier studies of cometary dust were performed in situ by an armada of spacecrafts that visited comet Halley in 1986. Besides cometary matter that has been accessed by space missions, comets deliver some of their material directly to Earth. It has been collected in the form of interplanetary dust particles (IDPs) in the stratosphere by high-flying aircraft. However, IDPs not only come from comets but also from asteroids. To distinguish between the two kinds of parent bodies is still one of the great challenges in IDP research. By comparing Wild 2 matter with Halley's dust and IDPs, it should be possible to better understand the relationship between IDPs and comets, and to examine variability between different cometary sources.
Leitner Jesse
Stephan Thomas
van der Bogert Carolyn H.
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