Dying Star at Center of Helix Nebula Eats Planet?
A new image from NASA reveals a dying white dwarf star at the center of the Helix Nebula, which may have killed an orbiting planet. The star’s violent behavior is causing strange X-ray emissions in the region. The Helix Nebula, 650 light-years from Earth, is the remains of a dying star that’s shedding its outer … Read more