HII Regions: Ionising StarsExplores HII regions in the interstellar medium and the characteristics of ionising stars, including their luminosity and lifetime.
Extrinsic Variable StarsCovers extrinsic stellar variability, the history of double stars, microlensing, and extrasolar planet detection.
Galaxies and ClustersExplores the content of the Universe, large scale structures, galaxy classification, and galaxy clusters.