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Astronomers find white dwarf merger that may spawn future fiery explosion

Astronomers find white dwarf merger that may spawn future fiery explosion

Science
May 21 (UPI) -- Astronomers have discovered a rare celestial object. Scientists suggest the fiery orb was created when two dead white dwarfs merged and become reanimated. According to a new paper describing the unusual stellar object, published this week in the journal Nature, the orb is a ticking time bomb -- likely to explode with a fiery bang in the near future. Scientists first spotted the object while analyzing data collected by the Wide-field Infrared Survey Explorer, or WISE, satellite. Astronomers spotted a bright star at the center of a gas nebula, but were surprised to find no visible light, only infrared radiation, emanating from the nebula. When astronomers analyzed the spectrum emitted by the nebula and its central star, they determined the object contained neither hydrogen ...