Quantifying Effects of Dust

• extinction: curve
• reddening and selective extinction

The Dusty Interstellar Medium

• the sky in near and mid-far infrared
• gas-phase abundance depletion pattern here and here

Gamma Rays

MeV Radiation

• nuclear level diagram
• the sky at 511 keV
• the sky at 1.8 MeV and its origin

GeV and TeV Radiation

• the GeV sky as seen by Fermi
• a supernova remnant and the Galactic plane in TeV photons (H.E.S.S.)

Finale

The Multiwavelength Sky Revisited

• radio continuum
• 21 cm
• CO molecules
• microwave continuum
• optical
• near IR
• mid-far IR
• 511 keV
• 1.8 MeV and its origin
• gamma rays > 100 MeV