T Coronae Borealis Nova 2024. T coronae borealis is 3,000 light. T coronae borealis, or t crb, last exploded in 1946 and astronomers believe it will do so again between february and september 2024.

T coronae borealis, or t crb, last exploded in 1946 and astronomers believe it will do so again between february and september 2024. Astronomers currently predict about a 70% chance that t corona borealis will go nova by september, and a 95% chance that it’ll go off by the end of the year.