Einstein Probe's Wide-field X-ray Telescope (WXT) detected a burst of low-energy X-rays. Astronomers call such X-rays "soft," even though they are still far more energetic than visible or ultraviolet ...
Einstein's Equations Collide With the Mysteries of the Universe Nov. 11, 2024 — Why is the expansion of our Universe accelerating? Twenty-five years after its discovery, this phenomenon remains ...
Einstein postulated three ways this theory could be proved. One was by observing the stars during a total solar eclipse. The sun is our closest strong gravitational field. Light traveling from a ...
To express his ideas mathematically, Einstein needed new math : Riemannian Geometry: In 1912, Einstein’s friend Marcel Grossmann introduced him to Riemannian geometry and tensor analysis. This ...
A Precision Test of General Relativity. While Einstein’s famous theory of general relativity accurately describes the motion of celestial bodies in our solar system, less is kno ...