Supernova Taxonomy (Popularity: ): A discussion of the taxonomy of supernovae. International Supernovae Network (Popularity: ): Includes recent discoveries and technical information about finding supernovae. X-ray Astronomy: Supernovae and their remnants (Popularity: ): Brief NASA introduction to supernovae. Includes images. Supernova, by HEASARC (Popularity: ): HEASARC: High Energy Astrophysics Science Archive Research Center provides a short article regarding the high-energy aspects of supernovae explosions. Very-Late-Type Spiral and Irregular Galaxy Supernova Search (Popularity: ): Current statistics of search at University of Iowa, movies of observed SNe. The rates in Sdm-Sm and Irr galaxies seem to be higher even than in late type Sbc-Sd galaxies. When supernovae go hyper: NASA article (Popularity: ): Magazine-style article written by NASA on the explanation for gamma-ray bursts surrounding 'hypernova' type supernovae. Remnant of Chinese Supernova (Popularity: ): Scientists using NASA's Chandra X-ray Observatory have found new evidence that a pulsar in the constellation of Sagittarius was created when a massive star exploded, witnessed by Chinese astronomers in ... Type 1a Supernovae and the Cosmological Constant (Popularity: ): Brief look at recent type Ia supernova data and the cosmological constant Latest Supernovae (Popularity: ): A list of the latest Supernovae with reference images. Supernova and Supernova Remnant Pages (Popularity: ): Links to tutorials, catalogs, research groups, individual researchers, and meetings. Active Galaxies & Quasars (Popularity: ): Researching neutral gas and dust in active galaxies, activity in starbursts and Seyfert galaxies, DRAGNs, gravitational lenses, and related matters. Shapley - Curtis Debate in 1920 (Popularity: ): Guide to understanding all facets of the Great Debate between Harlow Shapley and Heber D. Curtis over the scale of the universe. Includes a complete transcript.