NASA is quietly entertaining one of the most audacious telescope concepts ever proposed: using the Sun itself as a giant lens ...
Let's turn the sun into a telescope. In fact, we don't have to do any work—we just have to be in the right spot. But how can the sun be a telescope? The sun is not a mirror, but it is a lens. And we ...
Sending a mission to the solar gravitational lens (SGL) is the most effective way of actually directly imaging a potentially ...