00:00A recent check-in by NASA's Chandra X-ray Observatory on a neutron star collision 130 million light years from Earth has unveiled a new cosmic mystery.
00:14Astronomers have been keeping tabs on the cataclysmic event, the first of its kind ever seen, since it was first detected in 2017.
00:23X-rays emitted from the stellar merger peaked and began to fade less than six months after the initial discovery.
00:29And the afterglow was expected to completely subside by the spring of 2020.
00:34But according to new observations, a bright signal is still glowing at the source.
00:39Now, astronomers think the afterglow could be a new form of a light never before seen.
00:45That of a massive kilonova explosion, and not the high-energy jets shot out from the collision as previously believed.
00:52It's also possible a new neutron star formed from the collision, which would be the largest such object known to date.
00:59Either scenario will prove to be an exciting discovery in astrophysics, giving scientists a deeper understanding of how matter behaves in super-dense neutron stars.
01:09The research was presented at the 237th meeting of the American Astronomical Society.
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