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on Jul 10, 2012

Remnant of Tycho’s Supernova

SN 1572 is the remnant of a Type 1a supernova, 9000 light-years from Earth, that Tycho Brahe observed 430 years ago. This composite x-ray and infrared image shows the expanding cloud of gas. Credit: NASA/MPIA/Calar Alto Observatory, Oliver Krause et al.

SN 1572 is the remnant of a Type 1a supernova, 9000 light-years from Earth, that Tycho Brahe observed 430 years ago. This composite x-ray and infrared image shows the expanding cloud of gas. Credit: NASA/MPIA/Calar Alto Observatory, Oliver Krause et al.

Remnant of Tycho’s Supernova