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Hubble Space Telescope tracks the rise and fall of a brilliant supernova

1 month ago   |   By Astronomy Now

The galaxy NGC 2525 is located 70 million light years from Earth in the southern constellation Puppis. At some point dating back to the age of the dinosaurs on Earth, a star exploded in a supernova, releasing torrents of radiation. The light from the blast we detected by the Hubble Space Telescope in January 2018 as part of an investigation to refine the expansion rate of the universe. Supernovae can be used as cosmic yardsticks to help determine the distance to their host galaxies.
The spiral galaxy NGC 2525. A supernova shines brilliantly at left, just below center, in this 2018 image...
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