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. …
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 …
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 …
Diameter of the observable Universe • Physics Forums
Jul 6, 2024 · The observable universe has a diameter of 93 billion light years, but this does not imply that the universe itself has a center; rather, the center is relative to the observer. …
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, the actual uinverse, and CMB
Jan 17, 2013 · Hi all. I relish hearing from our great cosmological explainers like Neil DeGrasse Tyson and Brian Greene and watch whenever I find something new on youtube, but one thing …
Can the wavelength of an EM wave exceed the size of the …
Jan 22, 2025 · Electromagnetic waves theoretically have no upper limit on wavelength, but practical constraints arise from the size of the observable universe, which limits the …
Comparable size of the observable universe immediately after …
Jan 8, 2014 · Regarding scale. How big was the region of the universe we now understand to be the observable universe, immediately after early inflation? I'm tyring to understand the scale. I …
Unobservable Universe and the CMBR • Physics Forums
Jul 30, 2023 · How can there be galaxies in the unobservable universe when The CMBR which precedes all galaxies is observable?