Did the Big Bang Come From a 4D Star? [No Singularity]

Explore the Perimeter Institute’s theory proposing that the Big Bang was the collapse of a 4D star into a four-dimensional black hole, eliminating the initial cosmic singularity and the cosmic microwave background paradox.

Star S301 at 25,000 km/s: Einstein’s Test Around Sagittarius A*

Discover star S301, detected by the ESO racing at 25,000 km/s (8.5% of light speed) around supermassive black hole Sagittarius A*. Learn how its orbit unlocks the black hole’s spin and tests Einstein’s General Relativity.