Tonight: PTF11kly

Look, up in the sky! It’s a bird! It’s a plane! It’s SUPERNOVA!!

Tonight, light from a white dwarf star that exploded 21 million years ago, give or take, and is brighter than all the stars in the universe combined, can be seen around the Big Dipper with a pair of binoculars. May your night sky be clear.

Here’s Peter Nugent, an astronomer and senior scientist at the Lawrence Berkeley National Laboratory, with the details…

This is what you’re looking for, known as PTF11kly.

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