description SN 1987A Overview
SN 1987A is a historic supernova remnant located in the Large Magellanic Cloud. This event, observed on February 23, 1987, was notable for being the closest recorded supernova since 1604 and for producing the first detected neutrino burst from a stellar explosion. The expanding ring of gas and dust—a supernova remnant—is primarily studied by astronomers researching supernovae, cosmic ray acceleration, and neutrino physics.
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SN 1987A ranks #8 of 482 in the Nebula ranking, behind Rho Ophiuchi Cloud Complex, ahead of Cat's Eye Nebula.
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What is SN 1987A and when was it observed?
SN 1987A was a supernova observed on February 23, 1987 in the Large Magellanic Cloud. It is one of the best documented nearby supernova events in modern astronomy.
Why is SN 1987A tied to neutrino history?
It was the first stellar explosion linked to a confirmed neutrino burst reaching Earth-based detectors. That observation confirmed a major prediction of core-collapse supernova models.
Where can SN 1987A be studied today?
Astronomers monitor it as an expanding remnant in the Large Magellanic Cloud with major observatories. Its changing structure over time makes it a useful case for long-term supernova-remnant research.
How close is SN 1987A compared with older observed supernova events?
It is often described as the closest observed supernova since the 1600s, which is one reason it became an important benchmark event. Its historical proximity allows repeated high-resolution imaging across multiple decades.
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