#red giant
Rare ‘star’ predicted to blaze brightly in night sky will be visible to naked eye
The additional jewel in the Northern Crown constellation isn’t actually a star. It’s the light from an astronomical thermonuclear explosion caused by the buildup of pressure and heat in the binary system T Coronae Borealis, also dubbed the “Blaze Star,” 3,000 light-years away from Earth.
‘Death Star’ gobbles up planet, offering glimpse of Earth’s fate in 5 billion years
With the help of the W. M. Keck Observatory atop Maunakea on the Big Island, astronomers for the first time have observed direct evidence for a scenario they already knew happens throughout the universe — an aging star engulfing planets on inner orbits around it.