Black Hole temper tantrum caught in X-rays 💨 The black hole in galaxy Markarian 817 is flinging out ultra-fast winds, blocking X-rays, and reshaping its galaxy. Even when it’s not at its most active, this cosmic powerhouse is still a force to be reckoned with, preventing new stars from forming and altering the galaxy’s future. 📹 @europeanspacency 🖥️ ESA; acknowledgement: work performed by ATG under contract to ESA