The particle horizon, also called the cosmological horizon, the comoving horizon, or the cosmic light horizon, is the maximum distance from which light from particles could have traveled to …

This spacetime diagram shows how inflation changes the light cones for two light particles spaced some distance apart at the time of last scattering (ls) to allow them to intersect. In this …

Apr 30, 2021 · There are three widely used definitions of cosmological horizons, which are limits imposed by cosmology to how far away we can see. The purpose of this post is to try and …

The first two animations below show two light sources that are both within the central point's horizon, but not quite within each others' horizons. The light from the left source will never …

The particle horizon (also called the cosmological horizon, the comoving horizon (in Scott Dodelson's text), or the cosmic light horizon) is the maximum distance from which light from …

In the context of the new standard ΛCDM cosmol-ogy we point out confusions regarding the particle horizon, the event horizon, the “observable universe” and the Hubble sphere (distance …

Aug 1, 2023 · Here, we review the topic of cosmological horizons in a form that university physics teachers can use in their lessons, using the latest data about the so-called standard “Lambda …

Nov 15, 2023 · Let’s talk about cosmological horizons — physical limits to information retrieval, stemming from the speed of light and the expansion of the universe [1]. We are going to talk …

ÐThe particle horizon = 2ct during the radiation era. ¥The age of the present universe is 13.7 billion years. How many light-years would the particle horizon size be? The Horizon Problem …

Download scientific diagram | Cosmological horizon. Space–time diagrams of the horizon (red curve) based on actual cosmological data [1, 40] (plotted in units c/H0 with Hubble...