New galaxy data puts a core cosmological assumption under pressure and sparks immediate pushback

Einstein’s first leap In 1917, two years after completing his theory of general relativity, Albert Einstein built the first ...
Fonds

Predicted by Einstein 100 years ago, this cosmic phenomenon has finally been observed

The event, catalogued as AT2020afhd, is what astronomers call a tidal disruption event. As the star approached the supermassive black hole, gravitational forces stretched and tore it apart. Its debris ...