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

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

4. Observatories for Any “Temperature”

5. Wavelength

6. NASA’s Great Observatories

7. What wavelengths are easy to observe from the ground?

8. The Electromagnetic Spectrum LOW TO HIGH ENERGY SIRTF

9. Infrared Life

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

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

12. Emission & Absorption Emitter Absorber “Emission” “Absorption”

13. Emission Emitter “Emission”

14. Absorption Absorber “Absorption”

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

16. Near-Infrared Optical

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

18. 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)

19. Simulate d Star Formatio n

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

21. Hubble Space Telescope Image Near- infrared Image

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

23. (Far-)Infrared Astronomy