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NASA will launch the Space Infrared Telescope Facility (SIRTF) at the end of 2001. SIRTF is an 85-cm cryogenically cooled telescope using large format infrared arrays in cameras operating from 3.5 to 160μm and spectrographs from 5 to 40μm and, at very low resolution, from 52 to 99μm. Coincidentally - since no one can be given credit for planning the missions this way - SIRTF generally has strengths...
Well-resolved infrared observations of nearby galaxies are of fundamental importance to the study of the processes that affect galactic evolution. Here, we report on the first imaging results from the Spitzer Infrared Nearby Galaxies Survey (SINGS) using observations of the Sb galaxy NGC 7331. We present images of NGC 7331 over a large range of wavelengths that allow us to compare the distributions...
The James Webb Space Telescope (JWST) is a large (6.6 m), cold (<50 K), infrared (IR)-optimized space observatory that will be launched early in the next decade into orbit around the second Earth–Sun Lagrange point. The observatory will have four instruments: a near-IR camera, a near-IR multi-object spectrograph, and a tunable filter imager that will cover the wavelength range, 0.6 < λ <...
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