a black lives matter protest movement that is still going on or is really ramping up in twenty sixteen and she was arrested and this photo unlike the other two was taken on a professional camera by professional photographer and has now been compared to that iconic tank command photo of the tiananmen square massacre yes in one thousand nine hundred nine yeah exactly my sweater as always thank you. each radio telescopes in different locations across the globe have made the invisible visible . swelling milky way as a massive unseen object a black hole it's so dense. it sucks up anything that comes close even light itself the point of no return the boundary beyond which there is no escape from the black holes gravitational pull is called the event horizon. world famous scientist albert einstein predicted the size and shape of this boundary one hundred years ago. in one thousand nine hundred fifteen albert einstein imagined