Novel Nova: Stellar Blast Powered by Helium May Leave a Tantalizing Remnant
Friday, November 20, 2009 - 14:42
in Astronomy & Space
A stellar explosion known as a nova that was detected in 2000 formed a two-lobed shell of material ejected from the star. Shaped like a bow tie, it continues to swell at great velocity. But, curiously, the coat of ejecta flowing outward from the star lacks hydrogen, the most common gas in the universe. [More]