jul 042012
 
Oh, Baby! A Rapidly Spinning Protostar Shows Off Her X-ray Spots

  X-ray observations have revealed something curious about the young star that illuminates McNeil’s Nebula, a glowing jewel of cosmic dust in the Orion constellation: The object is a protostar rotating once a day, or 30 times faster than the sun. The stellar baby also has distinct birthmarks—two X-ray-emitting spots, where gas flows from a [continue reading]