A 'cataclysmic' celestial couple gone wrong - a star eats its mate
Unlike the lonely sun, about half the stars in our Milky Way galaxy are in a long-term committed relationship with another star, orbiting each another in a celestial marriage called a binary system. Researchers this week described one of these marriages gone wrong - a twosome that borders on the extreme, with the pair whirling around each other every 51 minutes in the fastest such orbital period known for a rare class of binary stars. The system belongs to a class of binary stars known as "cataclysmic variables" in which a star similar to our sun orbits close to what is called a wh...