Staring Down A Black Hole

"Black holes are perhaps the most outrageous prediction of science, and even though we can paint fine theoretical pictures of them and point to evidence for many objects that seem to be black hole-ish, nobody has ever actually seen one. All that could change in the next few months. Astronomers are working to tie together a network of microwave telescopes across the planet to make a single instrument with the most acute vision yet. They will turn this giant eye towards what they believe is a supermassive black hole at the centre of our galaxy, code name Sagittarius A*"