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SIRTF NASA’s Space InfraRed Telescope Facility Alyssa A. Goodman Professor of Astronomy Harvard University
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It’s not always so cold in space… “Revenge is a dish best served cold, and it’s very cold in space.”-- Khan
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Observatories for Any “Temperature”
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Wavelength
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NASA’s Great Observatories
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What wavelengths are easy to observe from the ground?
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The Electromagnetic Spectrum LOW TO HIGH ENERGY SIRTF
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Infrared Life
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The “Thermal” (or “Far”) Infrared Temperature, deg F
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“Emission” from a Cold-blooded Lizard Optical Image Far-Infrared Image “Room Temperature”
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Emission & Absorption Emitter Absorber “Emission” “Absorption”
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Emission Emitter “Emission”
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Absorption Absorber “Absorption”
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Not all Wavelengths are Absorbed Equally “Dust Grain” “Dust Grain” Light is “Extinguished” & Does not Reach Us Light Goes Right by & Reaches Us
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Near-Infrared Optical
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SIRTF NASA’s Space InfraRed Telescope Facility “Great Observatory” for Near- and Far-Infrared Astronomy
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Real Star Formation Today’s Tour: Optical and Infrared Views of Orion (Images prepared for upcoming “L-30 Press Briefing at NASA HQ, March 25, 2003)
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Simulate d Star Formatio n
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SIRTF “L-30” Press Conference Nebula Far- infrared Image Orion
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Hubble Space Telescope Image Near- infrared Image
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SIRTF NASA’s Space InfraRed Telescope Facility Alyssa A. Goodman Professor of Astronomy Harvard University
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(Far-)Infrared Astronomy
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