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<p>In the study, published in the journal <em>Science</em>, researchers used two instruments on the James Webb Space Telescope (JWST), MIRI and NIRSpec, to observe the supernova at infrared wavelengths and found evidence of heavy argon and sulphur atoms whose outer electrons had been stripped off (i.e. the atoms had been ionised) close to where the star explosion occurred.</p> <p>The team modelled various scenarios and found that these atoms could only have been ionised by ultra-violet and X-ray radiation from a hot cooling neutron star or, alternatively, from the...

An international team of astronomers including UCL’s Professor Mike Barlow has discovered the first conclusive evidence that a neutron star exists at the centre of Supernova 1987A, a star explosion observed 37 years ago.

In 1987, Earth's sky was lit up by a rare spectacle.

Using the James Webb Space Telescope, astronomers spotted a neutron star in Supernova 1987A, the aftermath of a stellar explosion in the Large Magellanic Cloud.

The discovery of the neutron star at the center of the supernova finally puts to an end a mystery that has puzzled scientists for over three decades.