Tycho’s Supernova Remnant

Tycho's Supernova Remnant

Tycho’s Supernova Remnant (SN 1572, also designated B Cassiopeiae), some 55 light-years across, lies between 8,000 and 9,800 light-years away in the constellation of Cassiopeia. It was formed by a Type Ia supernova explosion in early November 1572.

Credit: X-ray: NASA/CXC/SAO; Infrared: NASA/JPL-Caltech; Optical: MPIA, Calar Alto, O. Krause et al.

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