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 Before Inflation: Elementary Particles Q&A
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Undergrad Easy steps to groom TabCosmo output for PF post format
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Graduate Higgs Boson Particle: Doom for the Universe?
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Graduate Age versus Size of the Universe
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Graduate Inflaton after chaotic inflation
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What Are the Largest Structures in Our Universe?
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Unlock the Mystery: Dark Matter Discovery
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Graduate Big Bang & Entropy: Proof & Theories Explained
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High School Percentage of stars that become black holes
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Graduate The farthest matter we will ever hear from
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Undergrad Question about Expansion Speed exceeding Ligth Speed
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Graduate Solution to the cosmological constant problem
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Graduate What do we know about Baryogenesis?
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Graduate What is the difference between coasting and static cosmology?
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Graduate Is the Boltzmann Brain Paradox a valid explanation for our existence?
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Graduate Questions arisen while reading Weinberg's Cosmology
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Graduate Dark energy and dark matter as curvature effects?
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Undergrad Could Anything Survive in the Habitable Zone Without a Host Star?
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Graduate Positing the Big Bang as a definitive theory .
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Graduate What is the 'fabric of the cosmos' and what drives its cosmic loom?
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Graduate The Ostrogradski instability and f(R) theory
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Graduate What Factors Influence the Redshift of Distant Galaxies Beyond Doppler Effects?
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Graduate No big bang, no beginning, and no end?
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Graduate Is the Big Bang Similar to a Black Hole?
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Graduate Could the Big Bang Be a Result of Black Hole Cycles?
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Graduate The expansion of time, probably ad nauseum
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Graduate A possible Coasting Universe model vs ΛCDM
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Graduate Homogeneous/Inhomogeneous particle production
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Graduate Significance of the Huge-LQG for homogeneous universe
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Graduate Complete solution of the ΛCDM model problems
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What is elegant about the universe?
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Graduate Questions on Big Bang Singularity
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Graduate Meaning of a Flat, Open, and Closed Universe
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Graduate The ultimate demise of the universe
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Graduate Expansion Rate at the Big Bang: Uncovering the Role of Dark Matter
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Undergrad Is a Matterless Universe Larger than One Filled with Matter?
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Graduate What Is the Mathematical Form of Type Ia Supernovae Light Curves?
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Graduate What is the latest research on the Cosmic Neutrino Background?
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Graduate New blackhole mass measuring method
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Graduate What is the calculational definition of the 'big bang'?
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Graduate How can the Universe be infinite and there be an infinite number of Universes?
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Graduate How is energy density calculated
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Graduate Rise of the Phoenix: DAMA/LIBRA Claims Detection of Dark Matter
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Graduate How to prove the stretching of space
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Undergrad Estimating the number of galaxies
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Undergrad Theories of the origins of the universe
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Graduate Tips for deriving the friedmann equations
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Graduate What is wrong with my theory about universe expanding.
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Graduate CMB Sphere Size: Distance & Diameter
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Undergrad No moon=no tides no tides=no life Is that entirely correct?
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Graduate What is the value of the cosmic gravitational potential?
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Undergrad How do inflation, and the zero energy flat universe tie into one another?
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Graduate What is the current status on MOND
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Graduate Where does the energy vanish to when light is red shifted
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Graduate The observable universe, the actual uinverse, and CMB
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Graduate What causes the red-shift observed in distant galaxies?
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Graduate Are Cosmic Strings Connected to Other Dimensions and Gravitons?
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Graduate Big Bang to Black Holes: Could We Predict It?
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Undergrad Big Bang theory vs. the universe as we know it
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Graduate I cant imagine the expanding universe in my head
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Graduate Is the event horizon of a black hole physical?
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Graduate Could a Variable Speed of Light Theory Challenge the FLRW Metric in Cosmology?
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Graduate Primordial black holes as DM candidates
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Graduate Universe expansion faster than light?
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Graduate Question about the expansion of the universe:
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Graduate Big Bang Origins: "Nothing" of Physics vs. Philosophy
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Undergrad Is the Universe Expanding or Has it Already Expanded?
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Graduate Can torsion avoid the big bang singularity
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Undergrad Universe expansion beyond c at some distant point?
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Undergrad Redshift & Far Distant Stars: Effects on Temperature
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Graduate Perpetual acceleration of the universe expansion?
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Graduate How Does Gravity Balance Forces Without Mass in a Pre-Big Bang Energy Scenario?
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Graduate Why would gravity slow down the Universe's expansion?
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Graduate Quasar Turn On z<1 Quasar Clustering
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Graduate Most logical answer for the universe
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Graduate Flat Universe, dark energy and accelerating expansion
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Graduate Help: Explaining Expanding/Accelerating Universe Without Redshift Fallacy
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Graduate Can the Multiverse Expand Without a Realm to Expand Into?
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Graduate Question about gravity on the large scale.
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Graduate Thought this would be interesting - largest structure in Universe Discovered
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Graduate Unveiling the Mystery of Dark Matter: A Comprehensive Lecture on DM
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Undergrad The lost energy of Cosmic Background Radiation
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Graduate How can we reconcile the paradox of seeing the Big Bang?
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Graduate Does an Infinite Universe Challenge the Laws of Thermodynamics?
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Graduate The significance of the existence of the universe
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Graduate Dwarf Galaxies Orbiting the Andromeda Galaxy unexplained by Dark matter
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Graduate Could pre-big-bang evidence survive the crunch?
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Graduate Similarities of negative absolute temperature to dark energy?
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Undergrad The equilibrium in the universe ?
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Graduate Alpher Bethe Gamow: Factor characterizing the decrease of density with time
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Graduate Some questions for want of answers:
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Graduate How do we determine the production of H and He during BBN?
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Graduate SPT-SZ Survey Results: New Neutrino Species Suggested
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Graduate Cannot stand the eternity in cyclic models
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High School Entropy: Definition, Explanation & Meaning
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Graduate Integrating Friedmann Equation of Multi-component universe respect to a and t
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Undergrad How Do You Choose What Scientific Papers to Read?
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Graduate Higher sensitivity CMB mapper (EBEX) launched
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Graduate Question involving space travel and the expansion of the universe
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Graduate Unraveling the Mystery of the Universe's Origin
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