Radius of the Observable Universe in Light-years Is Greater than …
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 …
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. …
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 …
The observable and non-observable parts of the Universe
Dec 29, 2019 · Hi, I'm only trying to understand the basic concept. Did the big bang give rise to both observable and non-observable universe? I have been through quite a few source and it …
Intro to the Big Bang and Infinity Concepts - Physics Forums
Jan 27, 2018 · The observable universe is the part of the Universe that we can currently see (observe). The observable universe has a finite size and the current radius of the observable …
The Observable Universe: Light Travel Time and Distance
Jun 27, 2011 · The discussion centers on the observable universe and the implications of light travel time. It is clarified that the observable universe is defined by the distance light has …
Observable universe and overlapping spheres • Physics Forums
Jan 25, 2024 · Now imagine yourself in that galaxy, in your observable sphere of the universe, using your own telescope, looking in a direction opposite our current one from earth. Would we …
Question about the Planck spaces and observable universe,
Jun 26, 2013 · Thus 2.5 cubic cm contain about a googol Planck spaces. There are only about 3×10^80 cubic metres in the observable universe, giving about 7.1×10^184 Planck spaces in …
The Universe vs Observable Universe - Physics Forums
Jan 28, 2018 · After reading the wikipedia article and looking at many other threads on this forum I am still having a hard time understanding the difference between the Observable universe and …
If the observable universe was visible to the naked eye....
Aug 26, 2016 · The discussion centers on the hypothetical visibility of the observable universe to the naked eye, specifically what the night sky would look like if all luminous objects were …