Cosmology Forum

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Join in expert discussion on topics revolving around cosmology. Cosmology is the origin, evolution, structure and eventual fate of the universe.
Undergrad Can anyone provide valuable information on dark flow for my astronomy paper?
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Undergrad Why the sun didn't absorb heavy elements from early solar system?
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Scale of the Universe: Zoom-In, Zoom-Out Animation for Kids
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From the Planck length to the Observable Universe
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Graduate Uniformity of Distance - Is It Possible to Prove?
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Graduate All matter being liquid in 10^65 years if proton decay doesn't occur.
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Undergrad Is Iron Truly the Heaviest Element Formed in Stars?
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High School Way Way Bigger than Canis Majoris?
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Graduate How is universe curvature measured?
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Graduate Cosmology: Expansion & Its Impact on Us - Jens
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Graduate Debunking the Big Bang Theory: Colliding Branes as a Possible Alternative
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Undergrad Blackholes and expanding universe
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Graduate What happened before the BIG BANG, Roger Penrose's Theory
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Undergrad Earth at the center of the Universe
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Graduate Is Paul Steinhardt's Statement "Rather Pathetic"? Why?
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Graduate Top Biosignatures for exo planet spectra
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Graduate Is the Acceleration of the Universe Expansion accelerating?
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Graduate Big Bang Non-Locality: Evidence for an Infinite Universe?
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Graduate Need Help Understanding Mass/Bent Space-Time
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Graduate Heat death, quantum uncertainty and Feynman's Path Integral
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Graduate What Distinguishes the t=0 Singularity from a Black Hole Singularity?
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High School When did black holes first started to appear in the universe?
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Graduate Is Dark Matter the Result of the Big Bang?
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Undergrad What acceleration of universe means?
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High School Anyone heard of the solar snake Solar system theory?
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Graduate How inflation can give rise to irregularities
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Graduate The quantum based calculation of the cosmological constant
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Graduate The diffence between expanding universe and light slowing?
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Undergrad Redshift as evidence of expansion
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Graduate How can a 1-dimensional being prove they live on a circle?
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Graduate Is the Universe Expanding Into 4th Dimension?
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High School Will we always be in observation mode?
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Graduate Girl Reaches 99.9% of Train's Speed Despite Time Slowing Down
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Graduate Cosmological constant supports MOND
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Graduate Are the Laws of the Universe Influenced by the Structure of Our Brains?
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Graduate Toroidal Universe: A 2003 Analysis
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Graduate What happened to the center of the universe?
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Graduate Black Holes Relation to an Accelerated Expanding Universe
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Human Limitations of understanding.
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Graduate How Do Scientists Use Zircons to Date the Earth's Formation?
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Graduate Is There Such a Thing as Dark Time?
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Graduate How does CMB support the predictions of inflation ?
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Graduate Question about a torodial universe
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Graduate Flatness-infiniteness logical problem
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Graduate Critical density and observable mass
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Graduate What would happen to black holes if Lambda increased?
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Graduate Can Scientists Locate the Center of the Universe?
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Graduate Liberate all the matter from a black hole
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Graduate A thought experiment regarding the nature of space expansion
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Graduate Is space-time flat or curved over time?
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Graduate Singularity, Infinity, Edge, Expansion
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High School Layman's question on Cosmic Microwave Background
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Graduate Fridman's Equation: Understanding Lambda, K, and the Hubble Parameter
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The Universe - infinite or not ?
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Graduate 'A Universe From Nothing' by Lawrence Krauss, AAI 2009
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High School Gravity & Universe: Is Everything Falling?
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Graduate Why Don't Distant Objects Fade to Black?
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Undergrad Expanding Universe: What We See & How We Know
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Graduate What is the basis for the theory that WIMPs could be detected by
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High School What is the size of the universe
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Graduate Can expansion be due to large-scale curvature?
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High School Proxima Centauri closest star. super nova
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Undergrad Discovering the Universe's Flatness: Insights from an Amateur Astronomer
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Graduate Fermions in Early Universe: Why We Ignore Them?
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Undergrad Universe radius 1,000 years ago?
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Graduate Into what dimension is Spacetime Curved?
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High School Can Planets Revolve Without Rotating and What Determines Their Direction?
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Graduate Neutrinos & Gravity: Faster than Light?
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Graduate Scanning pattern in Planck's maps
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Graduate Inflation and accelerated expansion of the universe
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Graduate Is There Experimental Proof of Dark Energy and Antigravity?
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Graduate Ultimate fate of the universe via a Bose-Einstein condensate
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Graduate Why Is the Universe Non-Uniform Despite Uniform Physical Laws?
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Graduate The source of cosmic background radiation
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Graduate If the universe is truly expanding, why aren't any stars getting dimmer?
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Graduate Regarding Higgs boson and ether model
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Graduate How well has the force of Dark Energy been calculated?
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Graduate Distance expansion and escape velocity ( thought experiment )
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Graduate Where Did the Original Matter Come From?
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Undergrad Dark Energy: Big Bang, Big Crunch & Expansion
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Graduate Can quasars reactivate within an established galaxy?
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Undergrad The Cyclic Universe: A Theory of Formation and Evolution
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Graduate Is There Infinite Matter in an Infinite Universe?
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Graduate Universe of indistinguishable quanta?
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Graduate Is the Universe's Energy Increasing Due to Dark Energy?
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Graduate Special thread for answers to Mathbrain's questions
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High School Modular Physics: Largest Number in the Universe
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Graduate Why no attribution to Bohm regarding holographic principles
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Graduate Topic: Neutrinos and Gravity: Can They Travel Faster in Contracted Space?
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How do I become God? I want a promotion in the universe
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Graduate Why do black holes appear to be eternal red instead of black?
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Graduate Why is it considered the 'end of the universe' when the stars go dark?
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Graduate Are Infinite Universes Compatible with M-Theory and Chaotic Inflation?
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Graduate Is time measured at receding objects dilated?
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Graduate What Are Entropy Perturbations in Cosmology?
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Graduate Can We Aim Our Telescopes Towards the Edge of the Universe?
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Graduate Time can't exist without matter (mass) and motion
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Graduate Does the Universe Ever Reach Maximum Entropy?
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Graduate Sitting on a (very) extended object in space
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Graduate Could a Supermassive Black Hole be the Center of our Finite Universe?
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