
Most giant stars live in pairs and often they behave like vampires
A study carried out by an international team led by Hugues Sana of the University of Amsterdam inthe Netherlands has uncovered through the use of the VLT (Very Large Telescope), and other ESO’s (European Southern Observatory) telescopes that most of the O-type stars are part of binary systems. Even more, usually one of two star acts like a vampire sucking matter from its companion.