Crossroads in Hubble Constant: How fast Universe is Really Expanding ?
Problem in Standard Model of Cosmology ? Gravitational Wave Detectors Can Resolve Conflict
How fast our universe is really expanding ? To understand the time evolution of our universe, one of the fundamental parameters is the Hubble Constant, which measures the expansion rate of our universe. Precise measurements of Hubble Constant by different experiments do not agree, which is baffling astrophysicists.