and other instruments modern astronomers now have, did not realize that there was a star already there...Novae are thought to occur on the surface of a white dwarf star in a binary system with another...
Novae, andSupernovae, 40 Nights to Knowing the Sky: A Night-by-Night Sky-Watching Primer...is covered completely with two nice insert maps of the Virgo Cluster and the Orion Nebula."...
Novae, Supernovae; Neutron Stars and Pulsars; Quasars and Black Holes; Gamma Ray Bursts; ...The graphs below plot brightness variations for several supernovae of recent vintage and for older...
Open Directory - Science: Astronomy: News and Media about dmoz | suggest URL | ...novae, andsupernovae, with ephemerides....Astronet - Offers information on astronomical phenomena and closely follows the news on...
AstroArt's NovaeandSupernovae page with finder charts...Supernovae a good SN tutorial.     Gamma-ray bursters and Hypernovae from "Ask a NASA Scientist" ...    Supernovaeand their Remnants     Imagine the...