The Net Advance of Physics:
SPIRAL GALAXIES

SPIRAL GALAXIES:

• General: Sellwood 99/03;
• Types: BARRED;
• Aspects: COMPOSITION: METALLICITY: Henry 98/01; Henry and Worthey 99/04;
• Aspects: SPECTRAL ENERGY DISTRIBUTION: Schmitt 99/06;
• Re: ATMOSPHERE: Braun 98/04;

THE NET ADVANCE OF PHYSICS