This supernova signaled the explosive death of a supergiant star in the nearby Large Magellanic Cloud.
The remains of a star that exploded 36 years ago have fallen under the gaze of the James Webb Space Telescope — and this observatory's Near Infrared Camera captured the expanding stellar debris in unprecedented resolution, revealing brand new details about this burgeoning supernova remnant.
So bright was this supernova, in fact, that it was visible to the naked eye in the southern hemisphere — and astronomers have been tracking its expanding debris ever since. Now, the JWST has been brought to bear on the supernova’s remnant in a study led by Mikako Matsuura of Cardiff University, in the UK, resulting in this spectacular image of a dead star's aftermath.
Alternatively, they could be getting illuminated by jets from an unseen neutron star which experts believe must have formed alongside the supernova explosion. The JWST has revealed new details on this front, showing that the shockwave has expanded beyond the main ring and reaccelerated to about 3,600 kilometers per second while producing new hot spots that may, with time, become as bright as those previously identified.
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