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First Second of the Big Bang. How The Universe Works 3 (2014). Discovery Science.

has been cited by the following article:

• TITLE: The Cosmic Radius of Observable Universe

  AUTHORS: Xiaoyun Li, Suoang Longzhou, La Ba Sakya Genzon

  KEYWORDS: Observable Universe, Threshold, Simulation, Cosmic Expansion Model

  JOURNAL NAME: Journal of High Energy Physics, Gravitation and Cosmology, Vol.8 No.1, November 18, 2021

  ABSTRACT: This paper introduces three cosmic expansion models with constant, decelerating and accelerating speed of expansion respectively. Then characters of these cosmic expansion models are compared. Based on these cosmic expansion models, the thresholds of observable universe are calculated via simulations, where the earliest observable cosmic radius R(tearliest) is always 0.368R (R is cosmic radius at current universe time) for any cosmic expansion models.