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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.
Graduate Gravitational attraction on the cosmic scale?
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Graduate Is the Universe's Shape Spherical or Hyperbolic?
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Undergrad Is the CMB a Distorted Image of the Early Universe?
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Graduate BICEP2 & Penrose: Inflation's Impact on Proving Initial Conditions
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Undergrad What do we exactly mean by space is expanding?
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Undergrad Is Space Within Atoms Also Stretched by the Big Bang?
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Graduate Can someone explain why we need inflation?
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Graduate What if there is no Dark Matter?
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Graduate A layman with an idea, foolish perhaps
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Graduate Rate of expansion of the universe
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Graduate Is the expansion accelerating or decelerating?
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Graduate How Did Scientists Miscalculate the Distance of UDFj-39546284?
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Undergrad Red Shift & Blue Shift: Explained
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Graduate Concordance value of Hubble growth rate (2014)
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Graduate Questions on Hubble's law and Friedmann equation
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Graduate Gamma Ray Burst datasets that consist of distance modulus & redshift
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Graduate What is the connection between Kolmogorov complexity and randomness?
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Undergrad If the universe is expanding, how can 2 galaxies collide?
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Graduate Can Space Curve Without Mass or Energy?
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Graduate Information conservation and Big Bang
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Graduate Question concerning density of dark energy
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Graduate How Does the Velocity of Distant Stars Relate to the Mass of the Universe?
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Graduate Non-anthropic String Theory Landscape and Finite Universes
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Graduate Is the concept of finite mass-energy in the universe outdated?
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Graduate Friedmann's Acceleration Equation
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Graduate Is Inflation Eternal Into the Past?
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Graduate DeSitter and AntiDeSitter Universe
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Graduate Conservation of Energy in the Universe at Large
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Graduate Big Rip Compatible with Flat Universe?
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Graduate Did Electrons Form Before Quarks? Chronology of Universe's Reheating Phase
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Graduate Cosmology for Enthusiasts: Understanding Bicep2 Data
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Graduate A few questions about size and shape
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Graduate Baryonic acoustic oscillations and density perturbations
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Graduate Must the curvature of space be constant?
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Graduate Bianchi Models and Kantowski-Sachs
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Graduate CMB and Absolute Rest: Resolving Contradiction
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Graduate Finding a constant in an expanding universe
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Graduate What is quintessential inflation and why is it considered fine-tuned?
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High School The idea of the universe repeating itself is troubling me
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Graduate Higgs field in the early universe
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Graduate Increasing energy scale in an expanding Universe?
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Graduate Can Black Holes Have Poles Like Planets?
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Graduate The Hawking radiation and information paradox
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Graduate Definition of hypersurface orthogonal
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Graduate Question about the CMB and WMAP
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Graduate Do clocks speed up in an expanding Universe?
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Graduate BOSS questions cosmological constant (undecided)
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Graduate Expanding universe - energy/information conservation
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Graduate Cosmic Dynamics - Cosmological Constant
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Graduate Is Dark Matter Filling the Universe's Voids?
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Graduate A question on the meaning of dark energy
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Undergrad How to look at stars to go back in time?
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Graduate Is the universe really expanding?
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Graduate "Implausibly Large Structure" in the Universe
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Undergrad Why does the speed of light never slow down?
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Graduate Will the Cosmos Expand Forever or Collapse?
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Graduate Where does new space come from as the universe gets bigger?
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Graduate A couple of questions about singularities
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High School Can a triple star have a planet around it ?
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Graduate Do heavier elements break down during supernova?
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Graduate The beginning for time for beginners
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Undergrad From nothing & nowhere to everything.
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Graduate Status of Cosmic Strings and Stringy Inflation
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Graduate Is The Universe A Closed System?
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Graduate Dark energy and the CMB cold spot
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Graduate The first realistic virtual universe created
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Graduate How is dark matter distributed in the Milky Way and what effects does it have?
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Graduate Dark energy versus cosmological constant
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Graduate Inflation and superluminal expansion
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Graduate Conserved charge in FRW expansion
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Undergrad Calculating the % hydrogen and % helium
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Graduate Cosmological Constant & Fine Tuning for Life
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Graduate Something or nothing, which is more supported?
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Graduate How is the scale factor related to redshift in the FRW model?
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Graduate Understanding Black Holes: Questions, Equations, and Theories
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Graduate Light-cone cosmological simulations
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High School Question: Expansion of the universe
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Undergrad Why can we see the CMB in every direction we look?
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Graduate Cosmic inflation and singularity
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Graduate Questions about the multiverse theory
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Graduate Can we ask such a question about expansion of universe?
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Graduate Our attempts at certainty (measurements) actually increase uncertainty
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Graduate Can Pulsar Timing Arrays Detect Gravitational Wave Bursts with Memory?
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Graduate Information on large scale structure?
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Graduate When we look at cosmic web images, what do we see?
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Graduate Matter production during inflation
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Graduate Is 4th Quantisation the Key to Understanding Multiverse Interactions?
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Graduate BransDicke Cosmology and Accelerated Exlansion
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Graduate What Gets 2nd Quantised in the WDW Equation: Geometry, Matter, or Gravity?
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Graduate SVT Decomposition: Definition and Purpose
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Graduate Quick question on CMB anisotropy in Earth frame
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Graduate Eternal inflation disfavored by Planck and BICEP2?
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Graduate Age of the Universe: Intuitive Understanding
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Graduate Is the Big Bang Caused by a Four-Dimensional Explosion?
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Graduate Reconsidering the Speed of Light: A Crazy Idea on Dark Matter and the Big Bang
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Graduate How Does Space-Time Function at the Big Bang?
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Graduate Neil deGrasse Tyson's Observable Universe
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Graduate Ideal gas laws in cosmology usage
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Undergrad What are the mysterious properties of Dark Matter?
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Graduate What does it mean when cosmologists say the universe is flat?
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