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2 days ago · According to Einstein's theory of general relativity, massive objects curve the fabric of spacetime around them, and black holes do so to an extreme degree. Their gravity is so strong that they can significantly bend light paths passing nearby, an e±ect known as gravitational lensing, which allows astronomers to detect them.
1 day ago · The cosmological natural selection theory helps explain why our universe is so highly ordered, complex, and self-sustaining like Darwin’s theory explains the same for living things. That leads ...
2 days ago · This was a major source of inspiration for the development of relativity theory. Indeed, even the formulation that treats space and time separately is not a non-relativistic approximation and describes the same physics by simply renaming variables. For this reason the relativistic invariant equations are usually called the Maxwell equations as ...
1 day ago · The theory underpinning most observational evidence for dark matter, general relativity, is well-tested on solar system scales, but its validity on galactic or cosmological scales has not been well proven. A suitable modification to general relativity can in principle conceivably eliminate the need for dark matter.
2 days ago · From the microscopic realm of quantum particles to the cosmic scales of galaxies and beyond, physics offers a window into. the wonders of the natural world. By unraveling the mysteries of forces, particles, and spacetime, physicists embark on an enduring quest for understanding, inspiring awe and curiosity in the mysteries of the cosmos.
2 days ago · The Global Positioning System ( GPS ), originally Navstar GPS, [2] is a satellite-based radio navigation system owned by the United States government and operated by the United States Space Force. [3] It is one of the global navigation satellite systems (GNSS) that provide geolocation and time information to a GPS receiver anywhere on or near ...
6 days ago · In the fundamental branches of modern physics, namely general relativity and its widely applicable subset special relativity, as well as relativistic quantum mechanics and relativistic quantum field theory, the Lorentz transformation is the transformation rule under which all four-vectors and tensors containing physical quantities transform from one frame of reference to another.
