Astronomy and Astrophysics – Astrophysics
Scientific paper
Nov 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008sf2a.conf..329m&link_type=abstract
"SF2A-2008: Proceedings of the Annual meeting of the French Society of Astronomy and Astrophysics Eds.: C. Charbonnel, F. Combes
Astronomy and Astrophysics
Astrophysics
1
Scientific paper
In this contribution I review some of the key scientific questions that animate the interstellar dust community a few months before the launch of Herschel and Planck. Great progress have been made in the past 25 years on the subject of interstellar dust using infrared observations from space. With the advent of sub-millimeter and millimeter observations with Herschel and Planck, new scientific challenges are coming and exciting discoveries are to be expected. In particular Herschel and Planck will bring key information 1) on the growth process of dust grains, the first step toward the formation of planetesimals, 2) on the structure of the interstellar medium and its link with interstellar turbulence, 3) on the physical conditions of the Galactic halo clouds which are thought to have some cold dust, 4) on the properties of the interstellar magnetic field and 5) on the interstellar PAHs using their spinning dust emission in the millimeter.
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