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Big Bang Articles

Tag Archive for: big bang

bb_infinity2

Big Bang, Infinity, and the Universe’s Shape Explained

January 27, 2018
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34 Comments
The Big Bang was not an explosion from a point in space. It was the appearance of a singularity, a moment where spacetime itself breaks down and cannot…
https://www.physicsforums.com/insights/wp-content/uploads/2018/01/bb_infinity2.png 135 240 Arman777 https://www.physicsforums.com/insights/wp-content/uploads/2019/02/Physics_Forums_Insights_logo.png Arman7772018-01-27 15:05:272026-07-31 13:07:16Big Bang, Infinity, and the Universe’s Shape Explained
universestart

Did the Big Bang Have a Center? The Physics Explained

June 10, 2016
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28 Comments
The Big Bang did not happen at a single point in space, so it has no center. Standard cosmological models based on general relativity treat the Big Bang…
https://www.physicsforums.com/insights/wp-content/uploads/2016/06/universestart.png 135 240 Multiple_Authors https://www.physicsforums.com/insights/wp-content/uploads/2019/02/Physics_Forums_Insights_logo.png Multiple_Authors2016-06-10 22:08:392026-07-31 11:25:07Did the Big Bang Have a Center? The Physics Explained
universeexpand

Big Bang Models: Expansion, Dark Energy, Inflation

March 26, 2016
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29 Comments
Big Bang and expansion (no inflation, no dark energy) Empty-universe solution (FLRW) Einstein's General Relativity allows a solution (the FLRW metric)…
https://www.physicsforums.com/insights/wp-content/uploads/2016/01/universeexpand.png 135 240 nikkkom https://www.physicsforums.com/insights/wp-content/uploads/2019/02/Physics_Forums_Insights_logo.png nikkkom2016-03-26 17:33:432026-02-16 20:49:59Big Bang Models: Expansion, Dark Energy, Inflation
lightcone72

LightCone8 Tutorial Part II – Charts

January 26, 2016
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3 Comments
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…
https://www.physicsforums.com/insights/wp-content/uploads/2016/01/lightcone72.png 135 240 Jorrie https://www.physicsforums.com/insights/wp-content/uploads/2019/02/Physics_Forums_Insights_logo.png Jorrie2016-01-26 23:24:422025-03-24 15:16:09LightCone8 Tutorial Part II – Charts
quasarredshift

Are Galaxy Redshifts Cosmological? The Evidence Explained

January 23, 2016
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0 Comments
Galaxy and quasar redshifts are classified as cosmological, not "intrinsic," because they match predictions from general relativity's expanding-universe…
https://www.physicsforums.com/insights/wp-content/uploads/2016/01/quasarredshift.png 135 240 Multiple_Authors https://www.physicsforums.com/insights/wp-content/uploads/2019/02/Physics_Forums_Insights_logo.png Multiple_Authors2016-01-23 16:21:152026-07-31 11:21:09Are Galaxy Redshifts Cosmological? The Evidence Explained
lightcone7

LightCone8 Tutorial Part I

January 21, 2016
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2 Comments
LightCone 8 is a versatile tabulating/charting cosmological calculator, useful for understanding the expansion history of the universe (and even some future…
https://www.physicsforums.com/insights/wp-content/uploads/2016/01/lightcone7.png 135 240 Jorrie https://www.physicsforums.com/insights/wp-content/uploads/2019/02/Physics_Forums_Insights_logo.png Jorrie2016-01-21 15:26:412022-07-15 02:33:49LightCone8 Tutorial Part I
blackholesuniverse

Why the Big Bang Wasn’t a Black Hole: Cosmology Explained

November 30, 2015
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7 Comments
The Big Bang was not a black hole because it happened everywhere in space at once rather than at a single point, and because the near-perfect homogeneity…
https://www.physicsforums.com/insights/wp-content/uploads/2015/11/blackholesuniverse.png 135 240 Multiple_Authors https://www.physicsforums.com/insights/wp-content/uploads/2019/02/Physics_Forums_Insights_logo.png Multiple_Authors2015-11-30 00:47:482026-07-31 11:00:40Why the Big Bang Wasn’t a Black Hole: Cosmology Explained
blockuniverse3

Blockworld and its Foundational Implications: General Relativity and the Big Bang

November 9, 2015
 In parts 1 and 2 of this 5-part Insights series, I explained the blockworld (BW) implication of special relativity (SR). Geroch sums up the…
https://www.physicsforums.com/insights/wp-content/uploads/2015/11/blockuniverse3.png 135 240 Mark Stuckey https://www.physicsforums.com/insights/wp-content/uploads/2019/02/Physics_Forums_Insights_logo.png Mark Stuckey2015-11-09 00:24:542024-09-30 09:04:44Blockworld and its Foundational Implications: General Relativity and the Big Bang
balloonanalogy

The Balloon Analogy Explained: Cosmic Expansion Without a Center

September 16, 2015
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62 Comments
The balloon analogy uses pennies glued to an inflating balloon to show two ideas from modern cosmology: that unbound regions of the universe expand roughly…
https://www.physicsforums.com/insights/wp-content/uploads/2015/09/balloonanalogy.png 135 240 phinds https://www.physicsforums.com/insights/wp-content/uploads/2019/02/Physics_Forums_Insights_logo.png phinds2015-09-16 16:50:452026-07-31 13:00:59The Balloon Analogy Explained: Cosmic Expansion Without a Center

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