A supernova — discovered by the Palomar Transient Factory — is the closest of its kind found in almost 40 years. It will not be visible to the naked eye in a week or two.

UC Berkeley researchers find brightest, closest supernova in years

Astronomers from UC Berkeley and Lawrence Berkeley National Laboratory helped find a “holy grail” Wednesday night when they discovered a supernova relatively close to Earth. The supernova — discovered by the Palomar Transient Factory, a four-year-long survey operated from the Palomar Observatory in California — is the brightest and closest
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