SIRTF NASA’s Space InfraRed Telescope Facility Alyssa A. Goodman Professor of Astronomy Harvard University.

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Presentation transcript:

SIRTF NASA’s Space InfraRed Telescope Facility Alyssa A. Goodman Professor of Astronomy Harvard University

It’s not always so cold in space… “Revenge is a dish best served cold, and it’s very cold in space.”-- Khan

Observatories for Any “Temperature”

Wavelength

NASA’s Great Observatories

What wavelengths are easy to observe from the ground?

The Electromagnetic Spectrum LOW TO HIGH ENERGY SIRTF

Infrared Life

The “Thermal” (or “Far”) Infrared Temperature, deg F

“Emission” from a Cold-blooded Lizard Optical Image Far-Infrared Image “Room Temperature”

Emission & Absorption Emitter Absorber “Emission” “Absorption”

Emission Emitter “Emission”

Absorption Absorber “Absorption”

Not all Wavelengths are Absorbed Equally “Dust Grain” “Dust Grain” Light is “Extinguished” & Does not Reach Us Light Goes Right by & Reaches Us

Near-Infrared Optical

SIRTF NASA’s Space InfraRed Telescope Facility “Great Observatory” for Near- and Far-Infrared Astronomy

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)

Simulate d Star Formatio n

SIRTF “L-30” Press Conference Nebula Far- infrared Image Orion

Hubble Space Telescope Image Near- infrared Image

SIRTF NASA’s Space InfraRed Telescope Facility Alyssa A. Goodman Professor of Astronomy Harvard University

(Far-)Infrared Astronomy