Back in the day, Einstein came up with quite the theory: light should bend around a black hole and be reflected right back at the viewer from behind the black hole. It might sound ambitious considering it’s only a theory, ...
The Hubble Space Telescope has just captured 31st-anniversary pictures, unveiling the dual nature of the star AG Carinae. How great is that? The photos show an erupting gas shell and puffing dust bubbles, evident signs of the final acts of ...