Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009dps....41.1633e&link_type=abstract
American Astronomical Society, DPS meeting #41, #16.33
Astronomy and Astrophysics
Astronomy
Scientific paper
The goal of the interplanetary dust decadal survey white paper is to define the main questions facing the field over the next 10 years and determine what focus of reasearch, technology, and mission resources will best address these questions.
Interplanetary dust particles (IDPs), largely collected near the Earth's orbit and on the Earth itself, represent the most inexpensive sample return mission from a diversity of targets. The work in this field will thus focus on the collection and analysis of these particles (which yield information on the sources producing them), and the use of observations and dynamically modeling of the dust cloud (which helps link the IDPs to their sources). The main science questions in the study of interplanetary dust that will guide research efforts are as follows: What is the detailed composition of interplanetary dust? How are interplanetary dust particles generated, how do they evolve dynamically, and what are the dominant loss mechanisms? What are the relative contributions of dust particles from each source to the zodiacal cloud as a whole? What is the global structure of the cloud and how does it compare to exo-zodiacal clouds? In order to address these main science questions, the community needs continued R&A support of investigations into the nature of dust in the solar system. Specific areas of focus for research and technology support are: continued collection and analysis IDPs, support for ground- and space-based observing facilities and instruments, support for dynamical modeling, and support for development of technologies for improvement in IDP collection and analysis. Mission emphasis over the next decade is on New Frontiers or Flagship-class missions to the outer solar system ? with instruments capable of studying the outer cloud and Discovery class near-Earth space facilities to take advantage of the full range of IDPs in the vicinity.
Altobelli Nicolas
Blum Jacques
Brownlee Donald
Campins Humberto
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