... Star Atlas . ... stars . ... Telescopes discover strobe-like flashes in a suspected binary protostar . ... Astronomers propose the light flashes are caused by periodic interactions between two newly formed stars that are binary, or gravitationally bound to each other. ... Astronomers theorize the flashes are caused by material suddenly being dumped onto the growing stars, known as protostars. ... The disk and the envelope prevent scientists from observing the suspected binary star pair directly. ...