I'm ready to go on to "Advanced" Topics in Infrared

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Pages on things you can study with Spitzer

Studying Polycyclic Aromatic Hydrocarbons: Many astronomers use the Spitzer Space Telescope to detect or study "polycyclic aromatic hydrocarbons," or "PAHs" for short. What are these things? In short, rings of carbon, like the grunge on your grill. But what else are they, and why are they important?

Studying Young Stars: Stars begin their life in a cloud of gas and dust (a nebula). Gravitational forces cause the nebula to start to condense. Because longer wavelengths can more easily pass through the cloud of gas and dust, these objects can be better studied in the infrared than at shorter wavelengths like optical.

Etc.... Many more things can be studied with infrared and Spitzer, but we haven't written those documents yet!

Resolution

Resolution matters for Spitzer images!

Diffraction

Diffraction matters for Spitzer images!

Confusion

Depending on where you are looking and what wavelength you are using and specifically what you are doing, confusion can matter for Spitzer images.

Infrared Background

Depending on where you are looking and what wavelength you are using and specifically what you are doing, the IR background can matter for Spitzer images.

Comparison of other missions to Spitzer (dated; need to update this!)

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