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.
High School MPEG movie: traveling to a black hole or a neutron star
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High School Why is there something rather than nothing?
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High School What is the highest redshift (Z number) a galaxy can have?
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High School What was matter like during the GUT and Electroweak Epochs?
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High School From where is the universe expanding?
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High School Why does the multiverse theory have only 4 levels?
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High School Does the multiverse really include ALL outcomes?
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High School Do we see things slower the further away they are?
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High School Can someone explain the Aguirre-Gratton model & how it works?
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High School Is Everything in the Expanding Universe Growing Along with It?
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High School Spacetime Geometry: Understanding Causality & Effects
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High School Big Bang Wasn't the Beginning? Study Proposes Alternative....
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High School A photon left galaxy G, 12 by ago and is reaching Earth now
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High School Balloon Analogy - 3D universe on a 2D plane
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High School De Sitter Equilibrium: Could it Exist in Heat Death?
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High School Does the Universe have finite or infinite size?
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High School Scale Invariance and dark matter/dark energy
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High School What if the universe's expansion is actually slowing down?
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High School Is Scale Invariance the Key to Understanding the Expansion of the Universe?
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High School Implications of gravitational waves from the Big Bang?
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High School Could time move inside a black hole?
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High School Can somebody help me understand singularities better please?
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High School Decoding Dark Photons: Gauge Symmetry in the Dark Matter Sector
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High School How Large Is the Entire Universe?
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High School Calculating Average Time for Travel Using Acceleration and Velocity
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High School Where Did All the Matter in the Universe Come From?
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High School Does a gravitational wave change the speed of light?
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High School Explain Dark Matter: Verlinde's Theory Tested
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High School What is dark energy in the fabric of space-time?
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High School They found some missing mass, Hideki Tanimura Institute of S
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High School Quantised Inertia: A Solution to Dark Matter and Galaxy Rotations
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High School Black holes in the centres of galaxies
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High School Does gravity self interact with itself
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High School Does this paper disprove the possibility of a new universe creation?
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High School Does the Expansion of the Universe Affect Gravity?
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High School Expansion Propagation: Finite Seed vs Everywhere?
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High School How can the Big Bang model apply to the entire universe?
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High School Big Bang theory and the known universe
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High School What is the age of the universe relative to?
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High School Did the big bang create something from nothing?
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High School Is Our Observable Universe the Actual Size of Our Universe?
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High School Are Gravitational Waves accepted?
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High School Age of the universe: observable or entire universe?
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High School What if we weren't the only Big Bang
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High School Is there a unity across scale in the universe?
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High School How to debunk the idea we are the center of the universe
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High School How to do the calculations showing the Universe is flat?
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High School Angular momentum, degeneracy pressure, and cosmic inflation
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High School Big Crunch, Big Bang and information loss
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High School Does observation *Determine* the past?
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High School Pulsar Beams: Spin, Wobble, & Projection
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High School Why are only hydrogen and helium created
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High School Do we exist within a singularity
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High School Why didn't the Universe end up in a huge black hole?
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High School Did Mass Exist in the Early Universe Before the Higgs Boson?
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High School Could dark matter and dark energy be the same thing?
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High School ? about oscillating models of the Universe and Entropy
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High School Measurements on the entire universe
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High School Is Inertia Tied to the Stars According to Mach's Principle?
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High School Is the concept of a multiverse just science fiction or a scientific possibility?
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High School Nothing, something and the Universe
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High School Could Our Location in a Supervoid Alter the Hubble and Acceleration Parameters?
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High School Why is the low entropic state of the early universe a puzzle
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High School Did we just discover the Milky Way is in middle of nowhere?
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High School Hubble's constant and Minkowski spacetime
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High School Relationship Between Density and the Hubble parameter
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High School Our solar system and its fellows
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High School Understanding Re-entry Perturbations After Inflation
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High School What Drives the Accelerating Expansion of Space?
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High School Singularities forming universes?
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High School Where Did the Energy Go in Light Waves When the Universe Expanded?
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High School Can Primordial Black Holes explain Galaxy formations
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High School Does the expansion of space influence the passage of time across the universe?
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High School Does the geometry of space really change with gravity?
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High School Definition of unshifted spectral lines?
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High School Evidence for interacting dark energy from BOSS
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High School Why Can't We Find the Centre of the Expanding Universe?
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High School Is Dark Matter physics low or high energy physics?
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High School Is Space an Object Capable of Bending?
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High School What is the origin of the Gibbons-Hawking temperature?
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High School What is meant by the size of the early observable universe?
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High School Lawrence Krauss and shortening the lifespan of the universe
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High School Could Boltzmann Brains Become a Reality in the Far Future?
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High School How Does Space Expand? Understanding Universe Expansion
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High School Is the Expansion of the Universe Uniform?
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High School Do we still live in a Big Bang Singularity?
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High School Why doesn't dark matter reside in gas clouds?
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High School Will eLISA have the potential to detect early universe GWs?
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High School Naive Calculation of the Age of the Universe
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High School How can we see Background radiation
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High School Is the Universe Truly Eternal or Just a Temporary Fluctuation?
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High School Does every elementary particle eventually decay into quarks?
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High School Finite Universe vs. Uncertainty Principle
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High School Just how Powerful is Computer Science + Astrophysics?
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High School Space expanding or Time speeding up? Part 2
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High School Conservation of Energy and Expansion Redshift
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High School Is it possible to compress the space without gravity?
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High School Edge of the Universe: Is It Real?
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High School Information paradox in black holes
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High School Is the Earth Really 4.5 Billion Years Old or Much Older?
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