The last recorded outburst from T Coronae Borealis -- which includes a hot, red giant star and a cool, white dwarf star -- was in 1946, according to the space agency, which forecasts it will do so again before September 2024.
The exact date and time of the astronomical explosion is unknown, but once it happens, Hounsell says the once-in-a-lifetime event is sure to inspire the next generation of skywatchers.