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2003 Annual Science Report

University of Washington Reporting  |  JUL 2002 – JUN 2003

Delivery of Organic Materials to Planets

4 Institutions
3 Teams
0 Publications
0 Field Sites
Field Sites

Project Progress

In collaboration with Jonathan Lunine, Quinn and Raymond have performed integrations of planetary embryos as they form the terrestrial planets. They have explored the dependence of the chemical composition of the resulting terrestrial planets on the properties of the planet formation scenario. Properties they have examined include the mass, orbital parameters and formation time of Jupiter, and the position of the snow line with respect to the habitable zone. They find that moving Jupiter in or out with respect to the snowline tends to decrease the amount of volatiles delivered to planets in the habitable zone. They also find that the amount of volatiles that a planet receives is a very stochastic process, varying greatly from one simulation to the next. These results are being written up in a paper that is in preparation.

Quinn and Raymond have also explored techniques for connecting the current population of Near Earth Asteroids with the Main belt population.

    Thomas Quinn Thomas Quinn
    Project Investigator
    Jonathan Lunine Jonathan Lunine
    Sean Raymond
    Doctoral Student

    Objective 1.1
    Models of formation and evolution of habitable planets

    Objective 1.2
    Indirect and direct astronomical observations of extrasolar habitable planets

    Objective 3.1
    Sources of prebiotic materials and catalysts

    Objective 7.2
    Biosignatures to be sought in nearby planetary systems