A newly discovered supernova shines thousands of times brighter than a normal supernova, and outshone our entire Milky Way galaxy by 50 times!
Astronomers have detected the most violently explosive supernova in the history of the universe. Sounds big right? You have no idea. Supernovae are already some of the brightest events out there but in recent decades astronomers have seen a rare new class of blasts, superluminous supernovae (SLSNe)“”sometimes dubbed hypernovae.
The latest discovery was actually initially spotted last June by the ASAS-SN (All Sky Automated Survey for SuperNovae) when a system of eight small 14-centimeter telescopes at two sites in Chile and Hawaii that can scan the entire sky every 2 to 3 days. What they found was nothing short of amazing. At its peak, ASAS-SN-15lh, as the new discovery is known, was twice as luminous as any previously seen, thousands of times brighter than a normal supernova, and outshone our entire Milky Way galaxy by 50 times! Read: NASA spacecraft “œNew Horizons“ reaches Pluto
ASAS-SN-15lh falls into a class called a hydrogen-poor SLSN which theorists believe occurs when an old star, run out of fuel, creates an extremely violent blast while collapsing into a highly-magnetized neutron star, known as a magnetar. The magnetic energy from the magnetar powers up the still expanding explosion causing it to shine unusually bright (this is still a theory though)
The feature image above is an artist‘s impression that shows what it would look like from an exoplanet 10,000 light-years away in its home galaxy.
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Source: ScienceMag Follow Jaco on Twitter:@Jaco_vdWalt