Rare photos: Star’s explosive death seen in previously photo'd patch of sky

Seattle Post-Intelligencer - “It is very rare to catch a supernova within a day or two of explosion,” said David Sand, an assistant professor in the Department of Physics at Texas Tech University.

It blew up 73 million years ago – but for us, it happened practically overnight.

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“It is very rare to catch a supernova within a day or two of explosion,” said David Sand, an assistant professor in the Department of Physics at Texas Tech University. Sand had developed a special spectroscopic camera that allowed the researchers to get the image.