... Survey Telescopes . ... Quasars and Black Holes . ... Star Clusters . ... Stars@ESO . ... Using ESOтАЩs Very Large Telescope, European astronomers have for the first time demonstrated that a magnetar тАФ an unusual type of neutron star тАФ was formed from a star with at least 40 times as much mass as the Sun. ... Thanks to its home in the cluster, the astronomers were able to make the remarkable deduction that this magnetar must have formed from a star at least 40 times as massive as the Sun. ...