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 Space Time fabric graphic is misleading
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High School Question regarding if curvature is not constant
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High School Positive curvature of a 2D surface
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High School Dark matter research paper question
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High School Was the initial condition extremely cold?
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High School Dark matter is "normal" matter in black holes?
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High School Discuss Dark Matter & Light: Photons Affecting Space-Time?
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High School HSC dark matter survey...where is it?
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High School Is the energy of empty space concentrated differently in curved spacetime?
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High School The Red Light Shift and Space Debris
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High School How Does Time Dilation Vary Across the Galaxy?
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High School Expansion or Attraction: What's Driving Our Universe?
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High School What is the reasoning behind MOND's modification of gravity?
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High School Is Dark Energy Causing the Universe's Expansion?
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High School Why Does Cosmic Growth End and Why Is Our Era Unique?
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High School Is the cosmic expansion uniform everywhere?
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High School A Valid Position on Time Theory?
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High School What is containing the Universe?
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High School Measuring the Universe's expansion rate
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High School What would the universe be like with less mass and energy?
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High School Conundrum thinking about crossing an Event Horizon
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High School Do we directly observe redshifted galaxies receding >c?
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High School Relationship between the age of the Universe and the Hubble horizon
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High School How Does Age and Distance Affect Light from Distant Galaxies?
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High School Extrapolation back to T zero, before 1980
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High School Where Does the Energy for the Expanding Universe Come From?
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High School What is the cause of Cosmological redshift?
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High School Dark Energy Fluids: Read the Latest Research
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High School What are these diagrams showing about GR?
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High School Is the Universe Actually Infinite? A Philosophical Discussion
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High School Standard Big Bang model vs Inflationary model
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High School Density of the early Universe contributing to the red-shift?
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High School What is Olbers' Paradox and how does it relate to the universe's structure?
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High School Is the Universe a 3D Cut of a 4D object?
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High School Questions About the Growth of the Universe
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High School How Long After the Big Bang Did Life First Emerge?
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High School Demystifying the Hubble Constant
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High School Is Our Universe a Causal Patch Stretched by Inflation?
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High School Is Earths' potential of 0 volts valid throught the Universe?
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High School Our universe's entropy/size vs Bekenstein's theory
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High School Is There a Model That Includes Infinite Space and Finite Matter in Our Universe?
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High School Was the Big Bang simply "Distant Traffic"?
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High School Is our 3D universe a shadow of a 4D Universe?
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High School A Singularity in Semi-Classical physics too?
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High School How do we know that the universe is still expanding
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High School Are Antiparticles the Key to Understanding the Universe?
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High School Gravitational waves and refraction patterns....
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High School What Causes the Phenomenon of Cosmic Inflation?
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High School Hubble’s Constant Changes Over Time
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High School How large was the Universe at its moment of creation?
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High School How does 400 sigma compare with 5 sigma?
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High School Big Slurp: What Is It and How Does It Work?
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High School Help with understanding a Friedmann flat universe
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High School Could Gravitational Waves Allow for Time Travel?
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High School Does Negative Mass Impact Expansion in Vacuum Space?
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High School Do multiverses follow the same laws of physics?
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High School Doesn't there have to be more than one observable universe?
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High School Threshold of gravitational pull over dark energy
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High School Bubble universes and infinite in extent
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High School The Future of the Universe: When Will It End?
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High School Photon mean free path (regarding CMB black body assumption)
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High School How Did the Big Bang Happen If the Speed of Light Is a Limit?
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High School What is the GZK Cut Off Point and why does it happen?
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High School Did the Big Bang create space and time?
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High School Mutually orbiting bodies in an isolated universe
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High School No Imbalance between Matter/AntiMatter
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High School The Universe without Cosmic Inflation?
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High School Lack of time dilation in type 1a supernova
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High School Are the 3 space dimensions "equal"?
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High School Are heliocentrism and geocentrism both correct?
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High School How dense was the first starfield we might have seen?
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High School What fraction of the matter in the universe is in black holes?
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High School Does Hubble's Law imply that galaxies are accelerating away
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High School Documentary about Hawkings contributions to science
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High School Speed of Light Puzzle: Is c a Localized Value?
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High School Gravity of Universe A Million Years Ago: Affect Us?
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High School How can particles escape from a black hole?
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High School Is there a specific unit used to measure redshift?
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High School Curvature at the center of a spherical universe
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High School How do we know that the rate of expansion of the Universe was slowing down
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High School Does the Big Bang model rule out an eternal universe?
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High School Is the Big Bounce Theory Plausible?
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High School Does the rapid inflation of the early universe violate the speed of light?
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High School Shape of Universe | Is It Same from Every Point?
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High School Are the Universe and Observable Universe Identical?
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High School Who Was the Great Man We Lost on Pi Day and Albert Einstein's Birthday?
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High School Gravity Emergent: Matter or Big Bang?
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High School What do people mean when they say the Universe is Computable
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High School Confusion about closed timelike curves
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High School How can the Universe be infinite and yet have a finite age?
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High School Is Space Expanding in a Relativistic Way?
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High School Black holes and universe expansion
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High School Dark energy causing universe expansion?
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High School Current values for Friedman's scalar and its derivative?
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High School Accelerated expansion of the universe
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High School Black hole gravitational pull questions
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High School Black Holes Must Have Singularities Says Einstein Relativity
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High School Anything from Nothing: Uncovering the Possibilities
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High School Is cosmopsychism theory just babble copied from The Force?
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High School The Universe vs Observable Universe
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