Radius of the Observable Universe in Light-years Is Greater than Its Age
Dec 13, 2015 · The radius of the observable universe is about 46 billion light-years, which is considerably greater than its age of about 14 billion years. The radius of the observable universe is …
Estimates — True Size of the Universe? • Physics Forums
Mar 19, 2025 · The discussion centers on the true size of the universe, distinguishing between the observable universe and the entire universe. Current estimates suggest that the universe is at least …
Is the Universe Finite, or Is It Infinite? - Physics Forums
Mar 16, 2024 · The observable universe refers to the portion of the universe that we can see or detect, limited by the finite time light has traveled since the Big Bang. It has a finite volume.
Learn Observables in Mathematical Quantum Field Theory
Nov 19, 2017 · The following is one chapter in a series on Mathematical Quantum Field Theory. The previous chapter is 6. Symmetries. The next chapter is 8. Phase space. 7. Observables In this …
Intro to the Big Bang and Infinity Concepts - Physics Forums
Jan 27, 2018 · In the cosmology section of the Physics Forums, I encountered many Big Bang and related infinity problems. Hence, in this article, I want to explain the Big Bang, the topology of the …
Universe is a sphere that is centered on any observer? How?
Jun 2, 2016 · The observable universe, also known as the Hubble Volume, is a spherical region approximately 90 billion light-years in diameter, centered on any observer. Each observer has a …
Why observables are represented as operators in QM?
Jul 25, 2019 · In quantum mechanics (QM), dynamical variables or observables are represented as linear operators, with measured values corresponding to the eigenvalues of these operators. This …
The observable and non-observable parts of the Universe
Dec 29, 2019 · The observable universe, however, was smaller because there's a finite amount of stuff in it, and it was closer together. Also, the observable universe is defined as the volume we can see, …
Why is it giving me different observable canonical form?
Mar 4, 2021 · The forum discussion centers on discrepancies in the observable canonical form generated by MATLAB's canon (G, 'companion') function compared to manual calculations. Users …
States and observables in quantum mechanics • Physics Forums
May 19, 2025 · This discussion centers on the distinction between classical and quantum mechanics regarding the specification of experimental conditions and the determination of observables. In …