29May 2026 by Post

Past-Eternal Loop Quantum Cosmology Gets the Bounce

Abhay Ashtekar, Aron Wall, beginning, Big Bang, Borde-Guth-Vilenkin, bounce, conformal cyclic cosmology, cosmic aeons, cosmic inflation, cosmology, cyclic cosmologies, entropy, flatness problem, geodesics, gravity, horizon problem, Kinney-Stein proof, Kinney-Stein result, loop quantum cosmology, Martin Bojowald, mechanism, Mithani-Vilenkin instability, Mithani-Vilenkin instability proof, Penrose-Hawking singularity theorems, physics, quantum effects, quantum singularity theorem, quantum-geometric bounce, Roger Penrose, scientific reasoning, Second Law of Thermodynamics, singularity theorems, Tolman entropy problem, universe
Oscillating universes have been discussed in philosophy from time immemorial and in mathematical cosmology for over one hundred years. Source
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06Jan 2020 by Post

Astrophysicist Asks: Did God Create the Universe?

Aristotle, astrophysicist, atheists, Big Bang, cosmic inflation, Darwinian evolution, Ethan Siegel, Evidence, Faith & Science, First Mover, Five Ways, general relativity, Heresy, information, logic, microwave radiation, natural theology, non-overlapping magisteria, Ontological Argument, Physics, Earth & Space, quantum mechanics, reason, red shift, special relativity, Stephen Jay Gould, theists, theory of potency, Thomas Aquinas, universe
Ethan Siegel is an astrophysicist who writes a lot for the public. I like his stuff; he explains interesting complex topics well. But his recent essay “Ask Ethan: Did God Create the Universe?” misses the mark in a sadly common way. He not only botches logic and the metaphysics. He botches science.  Seigel answers a reader’s question about the existence of God. The reader asks: I am very interested in space and with who made us and what made us… what do you have to say about people who say that “God” made us? Seigel is interested in this question too, and he replies (I summarize his argument — read his whole essay for details): You can ask a question whose answer is not only knowable, but already known. You…
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