Trina Valery

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Nasa's webb opens new window on supernova science. The age of each supernova can be determined from its redshift (designated by ‘z’).

The supernova should remain visible to. A star in the t coronae borealis star system is due to explode some point between now and september 2024.

It was visible from earth for months, shining with the power of 100 million suns.

A new supernova in the pinwheel galaxy, aka m101, is the closest to earth in a decade.

New image from james webb telescope shows star about to become supernova 06:00.

Nasa’s webb opens new window on supernova science.