Astronomy
Celestial Spectacle: Rare ‘Blaze Star’ Explosion Predicted to Appear in the Night Sky
T Coronae Borealis is set for a rare nova explosion. Learn how to spot this ‘Blaze Star’ as it brightens to rival the North Star in a once-in-a-lifetime event.
A Once-in-a-Lifetime Cosmic Event
Astronomers and stargazers alike are on high alert for a rare celestial phenomenon: the sudden appearance of a ‘new’ star in the night sky. The star system T Coronae Borealis, commonly known as the ‘Blaze Star,’ is expected to undergo a cataclysmic thermonuclear eruption at any moment. This event, known as a recurring nova, occurs approximately once every 80 years, making it a once-in-a-lifetime viewing opportunity for most people on Earth.
The Science Behind the Blast
T Coronae Borealis (T CrB) is a binary system located 3,000 light-years away, consisting of a white dwarf and a red giant. In a ‘vampiric’ relationship, the white dwarf continuously strips hydrogen-rich material from its larger companion. Once this material reaches a critical mass on the white dwarf’s surface, it triggers a massive thermonuclear explosion. Unlike a supernova, which marks the death of a star, this nova leaves the white dwarf intact to begin the cycle of feeding and erupting all over again.
When and How to Watch
While the exact timing remains elusive, NASA scientists and astrophysicists believe the eruption is imminent. Historically, the system follows an 80-year cycle, with the last major event occurring in 1946. When the nova finally ignites, T CrB will jump from its usual invisible magnitude of +10 to a magnitude of +2. This surge will make it as bright as Polaris, the North Star, and easily visible to the naked eye even in areas with moderate light pollution.
Finding the Northern Crown
To witness this fleeting event, observers should look toward the constellation Corona Borealis, or the ‘Northern Crown.’ This small, semicircular cluster of stars sits between the constellations Hercules and Bootes. Once the eruption begins, the ‘Blaze Star’ will remain visible to the naked eye for less than a week before fading back into obscurity for another eight decades. Astronomers recommend using binoculars or a small telescope now to familiarize yourself with the region of the sky just one degree to the lower right of the star Epsilon Coronae Borealis.