Supernova awakening

Betelgeuse dims over time, with an interstellar cloud seen in the last panel. NASA, ESA and E. Wheatley (STScI)

Beetlejuice: The star continues to behave mysteriously - here's what will happen if it explodes

At the end of 2019, the light of the star dimmed and went from the brightest in the Orion group to the third brightest. Since then it has returned and become even brighter than before
The remains of Tycho's supernova. From Wikipedia - Type Ia supernova. From Wikipedia

Vast as the cosmos, bright as a supernova: new light on exploding stars

Cosmic scene with DNA, stars, solvents and atomic circles in oral flow.

For the first time a "supernova awakening" was observed