White Dwarf's Thermonuclear 'Kaboom' More Volatile Than Thought | Video

In 1604, Johannes Kepler saw a supernova much brighter than Jupiter. Now, an 8-day stare at the remnant by the Chandra X-ray Telescope is making astronomers believe the small star exploded with more power (and further away) than previously believed.
credit : NASA/CXC/A. Hobart
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