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.
Graduate Why do we need the inflaton to expland space-time?
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Graduate Re: artificial intelligence tied to universe construct?
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Graduate Cosmic Slow Down: Is Dark Energy Variable?
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Graduate Mass of the Universe: Dark Energy, Inflation & Observations
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Graduate Why isn't there Cosmic Visible Background Radiation from gamma rays?
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How can I contribute to the field of cosmology?
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Graduate Unification of Forces: Heating Up Spacetime & 4 Forces
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Graduate Is the Big Bang Still Happening and Could It Lead to a Big Crunch?
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Graduate Did Hubble opine that the universe was expanding?
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Graduate Does the Acceleration of the Universe Change?
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Undergrad Naive Understanding of Dark Matter and Dark Energy
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Graduate What are the unanswered questions in Cosmology?
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Graduate Idea for cosmo Basics (minimum to understand meaning of expansion)
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Graduate Balloon Analogy with different visualisation
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Undergrad Thinking about going to school for Cosmology/Astonomy.
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Graduate Is the Universe Infinite in Time as Well as Size?
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Graduate Does Time Expand in All Directions in the Universe?
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Undergrad Will Light Travel Further in an Expanding Universe?
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Graduate Aspiring Theoretical Physicist Seeks Grand Unified Theory Impact
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Graduate Calculating the probability of a Boltzmann Brain
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Graduate Will the Expansion of Space Prevent Overlapping Cosmic Horizons?
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Graduate Universe geometry article development
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Undergrad Theory about the end and beginning of the universe.
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Graduate Why not an equal amount of matter and antimatter in the universe?
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Graduate Cosmology questions, something that is puzzling me for days
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Graduate Could the Redshift of Light Challenge Our Understanding of the Big Bang?
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Graduate Metaphysical description of the cosmos, help with theory?
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Graduate Could the universe be a big ripple?
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Graduate Implications of a 2-Dimensional Universe
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Graduate Criteria for causal independence (new paper, Planck data)
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Graduate Stellar formation / Expansion / Education questions
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High School Facts/Figures on Stars & Galaxies for Year 7 Class
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Graduate Is it possible that nature laws constants changed over time
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Graduate How would you teach quantitative cosmology? What examples to use?
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Graduate Doppler shift, c, observation, recession, spacetime expansion
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Graduate Cosmic Horizon and Surface of Last Scattering Question
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Graduate Form of Friedman eqn with Λ curvature constant
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I've finally accept that the universe is unimaginable
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Graduate Where is the edge of the universe
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Graduate Intergalactic message exercises (for LightCone tutorial)
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Graduate Is There a Universal Redshift Formula for Arbitrary Spacetime Metrics?
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Graduate Can a Message Travel Faster Than Light to Reach a Distant Galaxy?
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Graduate Fine-tuned Universe; let's find out
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Graduate Switch to scale factor time (universe its own clock)
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Graduate Current State of the Big Freeze end of the Universe Theory.
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Graduate Calculation of Universal Constants for Life-Sustaining Universe
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Graduate Can Technology Allow Us to Travel Back in Time and Create Ourselves?
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Graduate Which: scale or years? as parameter of change
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Graduate Critical Density and the expanding universe
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Graduate What are N-Body Simulations and how do they relate to matter and dark matter?
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Graduate Imaginary Time: Parallel Universes & Mass?
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Graduate Was the flow of time slower in the early universe?
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Graduate James Bond and the true value of the cosmological curvature constant
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Graduate To stir the pot Post inflationary period
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Graduate Universe Shape: Flat or Hyperbolic? Cosmologists Weigh In
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Undergrad Is Dark Energy Truly Real? What Do Scientists Know and Who Rejects It?
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Graduate Dark Matter Evidence: Non-Baryonic Cosmology
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Graduate What's the role of stellar interference in redshifts?
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Graduate How to derive dark energy density from Jorrie's Hubble radius limit
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Undergrad Why Consider Dark Matter Over New Space for Universe Expansion?
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Graduate Could Dark Energy Originate from Gravity Waves?
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Graduate Lightcone 1.0 tabular cosmology calculator
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Graduate Flat universe and big bang theory
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Graduate Gravitational potential and the past
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Graduate Cosmo calculators with tabular output
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Graduate Gods Lego, what are the chances?
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Graduate Seeking clarification on singularity at genesis
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Graduate Cosmological constant and vacuum energy
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Graduate Print a history of the universe you'd like to share
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Graduate Can a Black Hole's High Entropy State Coexist with Supercondensed Matter?
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Graduate Is there a reason to believe in a limited variety of dark matter?
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Graduate White Hole in Universe: Is the Center Expanding?
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Undergrad Can Radiation from Black Holes Travel Faster than Light?
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Undergrad Does Dark Matter Really Exist and What Evidence Supports Its Composition?
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Graduate Linear vs non linear matter power spectrum
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High School Where is the universe expanding?
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Graduate Is Loop Quantum Multiverse a Viable Theory?
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Graduate How Do We Calculate the Age and Distance of Light in the Universe?
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Graduate Can Choices Create Parallel Universes in an Infinite Cosmos?
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Graduate LambdaCDM inflation model dependancies
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Graduate Inflationary paradigm in trouble after Planck2013 ? I doubt it, but
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Graduate What Determines the Precise Chronology of the Universe?
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Graduate Cosmological redshift interpretation
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Undergrad Quasar is a huge source of energy
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Graduate What do positrons have to do with dark matter?
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Graduate Specific question about infinite size and age of the universe
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Graduate Could absolute motion exist in higher dimensions, if they exist?
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High School Why is it called the 'Universe?'
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Undergrad Hubble Constant am I gettting this right?
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Graduate Orbital period of a star in the Milky Way?
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Graduate Why Don't Observations Support the Big Bang's Optical Predictions?
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Graduate Bigbang and the begginnig of time
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High School Why Isn’t the Night Sky Full of Light from All the Galaxies?
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Common miscons (e.g. it exploded from a singularity) &why to check FAQ
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Undergrad Looking for some help understanding the Big Bang.
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Graduate What's the bandwidth of the Cosmic Microwave Background radiation?
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Graduate How Universe is expanding faster than speed of light?
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Graduate CMB Angular Distribution: Understanding Gaussian Random Fields
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Graduate NASA working on warp drive experiments
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Undergrad What Defines a Different Universe?
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