Tag Archive for: big bang

Intro to the Big Bang and Infinity Concepts
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In the cosmology section of the Physics Forums, I encountered many Big Bang and related infinity problems. Hence, in this article, I want to explain the…

Big Bang, Inflation & Dark Energy — FLRW Cosmology
Big Bang and expansion (no inflation, no dark energy)
Einstein's General Relativity allows a solution (the FLRW metric) in which an effectively empty…

LightCone8 Tutorial Part II – Charts
Part I dealt with the basic user interface of LightCone8. This part of the tutorial is about potentially useful cosmological insights to be gained from…

Evidence that Galaxy and Quasar Redshifts Are Cosmological
How do we know that the redshifts of galaxies and quasars are cosmological and not "intrinsic"?
Evidence for the cosmological interpretation
Historical…

LightCone8 Tutorial Part I
LightCone 8 is a versatile tabulating/charting cosmological calculator, useful for understanding the expansion history of the universe (and even some future…

Balloon Analogy Explained: Cosmology, Expansion & Limits
The Balloon Analogy is a straightforward way to illustrate — without being complete — two important points of modern cosmology that many people find…
