Blast from the Past Caught in Episodes Due to Gravitational Lensing Light from a star that exploded over 11 billion years ago was captured by the Hubble Space Telescope. It was not just one postcard from the remote past but three messages that chronicle the fading fireball over a period of one week
Through a phenomenon called gravitational lensing, three different moments in a far-off supernova explosion were captured in a single snapshot by NASA’s Hubble Space Telescope. The light from the supernova, which was located behind the galaxy cluster Abell 370, was multiply lensed by the cluster’s immense gravity. Credit: NASA, ESA, STScI, Wenlei Chen , Patrick Kelly , Hubble Frontier FieldsLight from a star that exploded over 11 billion years ago was captured by the.
A bonus for astronomers is that not one but three images of the supernova appear in the photo, strung along the cluster. They show the explosion over different times that all arrived at Hubble simultaneously. A clue is that the cooling supernova fireball appears in slightly different colors among the supernova images. The images arrived at different times because the length of the pathways the supernova light followed is different.
NASA’s Hubble Space Telescope captured three different moments in a far-off supernova explosion in a single snapshot. When the star exploded more than 11 billion years ago, the universe was less than a fifth of its current age of 13.8 billion years.so early in the universe’s history. The research could help scientists learn more about the formation of stars and galaxies in the early universe. The supernova images are also special because they show the early stages of a stellar explosion.
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