Active Galaxies and Related Objects. What are Active Galaxies? Active galaxies have an energy source beyond what can be attributed to stars. The energy.
Measuring the black hole spin of GX 339-4: A systematic look at its very high and low/hard state. Rubens Reis Institute of Astronomy - Cambridge In collaboration.
5 Luminescence 5.1 Light emission in solids 5.2 Interband luminescence 5.3 Photoluminescence 5.4 Electroluminescence.
Active Galaxies and Related Objects