Hidden Star in Supernova

Hidden Star in Supernova
Hidden Star in Supernova
Item# H1438
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Product Description

Artist's Concept

For over two decades astronomers have been patiently monitoring the fading glow of a supernova in a nearby galaxy. They've been looking for a suspected companion star that pulled off almost all of the hydrogen from the doomed star that exploded. At last Hubble's ultraviolet-light sensitivity pulled out the blue glow of the star from the cluttered starlight in the disk of the galaxy. This observation confirms the theory that the supernova originated in a double-star system where one star fueled the mass-loss from the aging primary star. The surviving star's brightness and estimated mass provide insight into the conditions that preceded the 1993 explosion.
Text: Hubble Space Telecope Institute

Artist's Illustration Credit: G. Bacon (STScI)