mrt 212012
 
NASA's Swift Narrows Down Origin of Important Supernova Class

Studies using X-ray and ultraviolet observations from NASA’s Swift satellite provide new insights into the elusive origins of an important class of exploding star called Type Ia supernovae. Three types of systems, illustrated here, may host Type Ia supernovae. The first two panels depict a white dwarf in a binary system accumulating matter transferred from [continue reading]