Supernova Is Captured By Hubble In A Unique Image As It Occurs

November 14, 2022 By Raulf Hernes

(Image Credit Google)

A large star that has run out of fuel and is nearing the end of its life erupts in a supernova, which is an enormous release of energy. These phenomena can be extremely bright, outshining entire galaxies, but they only endure a moment in cosmic time. Because supernova events are unpredictable, it is challenging to catch their rapid brightness and quick dimming, but the Hubble Space Telescope recently succeeded in capturing three distinct supernova moments in a single shot. Wenlei Chen, one of the paper's authors, said in a statement: "A supernova can be identified at a very early stage, but that stage is relatively rare since that stage is really short. It only lasts for a few hours to a few days, and even a nearby detector can easily miss it. We can witness a series of photos in the same exposure, similar to the various faces of a supernova. Abell 370

Due to a phenomenon known as gravitational lensing, in which a large object is placed between us and the object being examined, it was possible to see three different moments in time. If the intermediary object is large enough, its gravitational pull will warp space, altering how the thing behind it appears. When the intermediary object serves as a magnifying glass, the background object may appear brighter and may also appear at a different location in space depending on how the light of the background object has been twisted. Since the light from the explosion in this instance was bent along three distinct pathways with various lengths, Hubble was able to see three distinct occurrences. The supernova is incredibly old and far away; it is thought to have occurred 11 billion years ago, which is not far from the universe's beginning, 13.8 billion years ago. One of the first supernovae ever seen in such clarity, scientists were able to determine the size of the star by comparing three separate time frames in the photograph. The star is a red supergiant, which are stars that are around 500 times as massive as the sun. The study has been made public in the journal Nature.

By Raulf Hernes

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Supernova Is Captured By Hubble In A Unique Image As It Occurs

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