Flat space, dark energy, and the cosmic microwave background

被引：1
|
作者：
Cahill, Kevin [1 ]
机构：
[1] Univ New Mexico, Dept Phys & Astron, Albuquerque, NM 87106 USA
来源：
EUROPEAN JOURNAL OF PHYSICS | 2020年 / 41卷 / 03期
关键词：
CMB; cosmic microwave background; dark energy; flat space; cosmological constant; INFLATIONARY UNIVERSE; TEMPERATURE; HORIZON;
D O I：
10.1088/1361-6404/ab738d
中图分类号：
G40 [教育学];
学科分类号：
040101 ; 120403 ;
摘要：
This paper reviews some of the results of the Planck collaboration and shows how to compute the distance from the surface of last scattering, the distance from the farthest object that will ever be observed, and the maximum radius of a density fluctuation in the plasma of the CMB. It then explains how these distances together with well-known astronomical facts imply that space is flat or nearly flat and that dark energy is 69% of the energy of the Universe.
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页数：16
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