Surprise! Black-Hole Instrument Finds One Star That's Actually Two (Video)

A new instrument designed to study the extreme environments around black holes has observed the heavens for the first time — and made a surprising discovery. The Gravity instrument, which researchers recently installed at the European Southern Observatory's (ESO) Very Large Telescope (VLT) in northern Chile, has achieved "first light," eyeing the Trapezium Cluster, a well-studied group of bright, young stars in the Orion star-forming region. During the course of this test, Gravity &md