Supernova 2025 Visible Spectrum. A nova named t coronae borealis is expected to decorate the night sky between february and september 2025 for the first time in 80 years. During the last few days, astronomers have been pointing their telescopes toward a familiar object in the night sky for a look at a rare event:

In the second half of 2025, a nova explosion in the star system t coronae borealis, or t crb, will once again be visible to people on earth. Like a shiny, round ornament ready to be placed in the perfect spot on a holiday tree, supernova remnant cassiopeia.