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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.
NY Times Article: Mater vs. Anti-Mater
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Undergrad Is Dark Matter a Cop-Out in Cosmology?
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Undergrad Simple description of a Singularity
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Undergrad Question about gravity & the Big Bang
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Graduate Why do we need inflation to explain the homogeneity of CMB?
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Graduate Explosion/expansion isn't there a period of acceleration
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Undergrad Did the big bang create space or time?
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Graduate Here's a question i hope someone can answer
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Undergrad Where Can I Find a Paper on Dark Matter Density Percentages in the Universe?
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Graduate Is there a theory that we are in an eternal loop? Multiverse?
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Graduate What should we be doing for future astronomers?
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Graduate Gravitational Energy Equation of State Parameter
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Graduate Did the Universe truly form out of nothing?
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Undergrad What does When the Universe was one minute old mean?
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Graduate If the universe is closed - scenario question
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Graduate Looking into the past with telescopes
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Graduate Negative energy versus positive energy
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Graduate How Are Pressure and Density Defined in the Comoving Coordinate System?
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Graduate Part of universe mapped by coordinates
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Graduate Is Dark Energy Just a Myth in Modern Science?
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Graduate Cosmological redshift as a Doppler effect or metric evolution?
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Graduate Which cosmological model do you find most compelling?
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Graduate What is the Scale of Homogeneity in the Universe and How is it Measured?
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Graduate Universe Diameter: Explained by Howard
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Graduate How could the big bang create time?
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Graduate Accelerating Expansion, or Constant?
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Graduate Big Bang Theory: How Could Something Without Part Erupt?
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Graduate Red Shift & Time: Can Time Be Expanding Too?
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High School Are galaxies fairly evenly distributed?
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Graduate Is the universe accelerating it's expansion?
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Graduate CMB Redshift: 13.7B Yrs Ago, 10.4x Speed of Light Today
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Graduate Did inflation itself make the universe bigger than what we currently observe
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Undergrad How can we know that the universe is expanding
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Graduate Why does the CMB appear to us the way it does?
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Graduate What was the extent of the primordial universe at the time of the big bang?
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Graduate Dark Matter and Its Relation to Energy
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Graduate Big Bang From Black Hole. Each Black Hole creates a New galaxy?
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Graduate Is J Richard Gott's Self-Creating Universe Theory Still Relevant Today?
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Graduate The Clumping of Dark Matter: A Question of Friction?
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Graduate Inflation or normal space/time misunderstood?
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Graduate Planck's Length and the Quantum Theory of Gravity
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Graduate How can space be created faster than light during inflation?
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Graduate Why don't black holes disconnect themselves from the universe?
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Graduate How Old is the CMB? Big Bang Cool Down Explained
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Undergrad Dark Matter and The Eather: What's the Difference?
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High School Is Evolution Considered Part of Cosmology?
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Graduate Traveling in an Expanding Universe
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Graduate Could dark matter be linked to parallel universes?
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Graduate Is the Higgs Field the Key to Understanding Gravity and Time?
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Undergrad Is gravitational redshift taken into account in Hubble's Law?
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Graduate Universal Expansion: Is it an Illusion?
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Graduate Is universe really observer dependent?
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Graduate Energy to Mass Conversion: How Does it Affect the Universe?
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Graduate How are black holes linked to worm holes, or are they the same thing,
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Graduate Newbish questions (shape of the observable universe, blueshift, etc.)
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Graduate Large-scale spatial geometry of the universe
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Graduate Where/when are we in a yo-yo universe?
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Graduate Could Red Shift Be Influenced by Gravitational Effects Over Long Distances?
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Graduate What could be beyond the boundaries of our seemingly infinite universe?
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Undergrad Black Hole Diagram: Parts, Types & More
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Graduate Universe expansion and hubble's law
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Graduate Collapse of Dark Matter into Black Holes
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Graduate Why Do We Believe the Big Bang Contained All Matter and Energy in the Universe?
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Graduate The Boundaries of the Universe: Are There Limits to How Far We Can Explore?
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Graduate Mark Whittaker says the dark matter cant cool
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Graduate My First Post: conciousness, the brain, gravity, the universe. Connections?
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High School What Is Dark Matter?
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Graduate Dark Matter, Cluster Dynamics and The Bullet
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Graduate Time as a fractional spatial dimension
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Graduate Equation for theory of everything
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Graduate Photon-to-baryon ratio from CMB structure details?
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Graduate Dark Matter/Energy: Adjusting Science to Fit Math?
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High School Are Black Holes Destroying Our Galaxy? The Truth About Galaxies and Black Holes
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Graduate Are time flow equally in universe?
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Graduate Unravelling the Mysteries of Space and Light
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Graduate Expansion-based cooling during Big Bang
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Graduate A universe that supports intelligent life is likely to
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Undergrad Determining a Safe Distance from a GRB
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High School CERN and Switzerland Prevail: Celebrating a Historical Moment!
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Graduate Big-bang versus observational event horizon
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Graduate Understanding the Relationship Between the RW Line Element and Universe Density
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Graduate Could Hydrogen and Helium Be the Key to Dark Matter and Dark Energy?
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High School Dsitribution of Stars and Galaxies?
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Graduate Intro, and a couple of questions
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Graduate CMB: L to Angle Conversion Simplified
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High School Do Most Stars Have Orbiting Planets?
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Graduate Could anything else cause redshift?
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High School S: Understanding Space-Time Confusion
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Undergrad Blue Shift & Red Shift: Explaining the Universe
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Graduate Cyclic Universe: Exploring the Theory of Multiple Big Crunches and the Big Rip
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Graduate Theoretical and actual limits to electromagnetic frequencies?
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Graduate Deterministic Universe (3 propositions)
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Graduate Cosmic Microwave Background Origin
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Graduate Past eternal universe in inflationary models
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Graduate Circular Polarization and the Search for Semi-Intelligent Life
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Graduate Why do we Need a Unified Theory?
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Graduate Would a graviton follow the geodesic?
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Undergrad The Everlasting Cycle of the Universe
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Undergrad Advice for amateur (Matter/Space)
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Graduate Creating Matter from Energy: Is It Just Theoretical?
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