A newly installed instrument on the European Southern Observatory’s (ESO) Very Large Telescope (VLT) has just taken it’s first images, what we call ‘first light’ in the astronomy world.  The instrument, called GRAVITY, uses four different 8m telescopes to perform what we call ‘Baseline Interferometry.’  It is expected that tis is the instrument that will allow humanity to take the first ever direct picture of a black hole. Interferometry is a technique that uses multiple small telescopes all collecting light at a specific wavelength.  These telescopes form a line that we call the baseline.  The combination of these telescopes and...