Category

World

Category

Astronomers are expecting a “new star” to appear in the night sky anytime between now and September, and it promises to be a once-in-a-lifetime celestial sight, according to NASA. The expected brightening event, known as a nova, will occur in the Milky Way’s Corona Borealis, or Northern Crown constellation, which is located between the Boötes and Hercules constellations. While a supernova is the explosive death of a massive star, a nova refers to the sudden, brief explosion from a collapsed star known as a white dwarf. T Coronae Borealis, otherwise known as the “Blaze Star,” is a binary system in the Corona Borealis that includes a dead white dwarf star and an aging red giant star. Red giants form when stars have exhausted their supply of hydrogen for nuclear fusion and begin to die. In about 5 billion or 6 billion years, our sun will become a red giant, puffing…