The Quantum World: Matter and Light
- quantum light: photons
spectrum of photon energies - quantum matter: de Broglie waves
- Bohr model of the atom
- Hydrogen spectrum, binding energy
Spectroscopy & Kirchhoff's Rules
- solar spectrum
- interstellar gas in spectra of nearby white dwarf stars
Dark Matter Candidate: Cold Gas
- cold gas as dark matter
- testing for cold gas: absorption lines from atoms
