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Science Record-breaking star explosion is most powerful ever seen

Two NASA space telescopes have captured what appears to be the most powerful star explosion ever detected, a cosmic event so luminous that scientists dubbed it 'eye-wateringly bright' despite being 3.6 billion light-years from Earth.

By Miriam KramerSpace.com / May 6, 2013

Stefan Immler / Swift / NASA

Two NASA space telescopes have captured what appears to be the most powerful star explosion ever detected, a cosmic event so luminous that scientists dubbed it "eye-wateringly bright" despite being 3.6 billion light-years from Earth.