Physics – Geophysics
Scientific paper
Dec 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006a%26g....47f..11w&link_type=abstract
Astronomy & Geophysics, Volume 47, Issue 1, pp. 6.11-6.16.
Physics
Geophysics
Scientific paper
Decades of work with ground-based and airborne telescopes, together with the results from the highly successful Infrared Astronomy Satellite (IRAS) and Infrared Space Observatory (ISO), have demonstrated the importance of infrared studies for advancing our understanding of astrophysics. Objects ranging from the chilly fringes of our solar system to the dust-enshrouded nuclei of distant galaxies radiate entirely or predominantly in the infrared band. At the same time, advances in astronomical techniques all across the electromagnetic spectrum have highlighted the importance of multi-spectral approaches in unravelling many astrophysical problems. The launch of the National Aeronautics and Space Administration's Spitzer Space Telescope (Spitzer) in 2003 provided the scientific community with the most powerful tool yet available for astronomical explorations between 3.6 and 160 μm. Spitzer combines the intrinsic sensitivity of a cryogenic telescope in space with the tremendous imaging and spectroscopic capabilities of the new generation of infrared detector arrays. This paper provides an overview of the unique design and of the Spitzer observatory and discusses several particularly striking scientific results selected to demonstrate the range of Spitzer's capabilities.
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