Supernova

Betelguese, a star in the Orion constellation, was spotted dimming in December 2019. Despite news reports that this may signal an impending supernova, it is probably just part of the star's natural brightness cycles.

From “Detection of the Gravitational Lens Magnifying a Type Ia Supernova“ Quadruple image of the same quasar, called the ‘Enstein Cross’ The supernova of PS1-10afx was seen in 2010 and extremely bright for its class and location…