Standing at the intersection between mathematics and the tiler's trade is the so-called einstein problem. Despite its name, ...
The halo, known as an Einstein ring, encircles a galaxy 590 million light-years away, considered close by cosmic standards. A light-year is 5.8 trillion miles. Astronomers have known about this ...
The halo, known as an Einstein ring, encircles a galaxy 590 million light-years away, considered close by cosmic standards. A light-year is 5.8 trillion miles. This photo provided by the European ...