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 Some thoughts concerning backgroun radiation
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Graduate Is the CMBR Data Truly Singular?
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Graduate Blackbody Prediction for CMBR: Alpher, Herman, and Gamow's 1948 Theory
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Graduate Is the Last Scattering Surface Finite or Infinite?
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Graduate Is Free Will Possible in a Deterministic Universe?
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Graduate What are the mechanism implications of MECO?
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Graduate What Happens to Gravity in a Collapsing Universe?
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Graduate How Does Redshift Affect Photon Energy Conservation for Comoving Observers?
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Graduate Could Black Hole Matter Challenge Our Understanding of the Universe?
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Graduate Question regarding pre-bigbang detection.
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Graduate A Giant Hole in space Well, I'll be a
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Undergrad Pulsar Particle Beams: Speed & Collisions
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Undergrad What is the relationship between temperature and redshift?
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Graduate Can black holes absorb gravity waves?
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Graduate Can a Big Crunch Happen in an Open Universe?
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Graduate Finding a Natural Frame of Reference on the Cosmic Scale
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Graduate Distances contract as a result of motion?
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Undergrad Can Absolute Velocity be Measured with Cosmic Background Radiation?
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Graduate Is Dark Matter Really Just Dark Gravity?
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Graduate Is There An Age Problem In The Early LCDM Model?
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Graduate Collapsing and expanding shell theorem
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Graduate Titan - Exposed to large amounts of Oxygen
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Graduate Gravitational motion transitions into universal expansion over distance
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Graduate How Do Black Holes Influence Time and Matter in Our Universe?
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Graduate Please explain the Big Bang and universal expansion
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High School The universe is expanding. Into what ?
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Graduate Magnitude vs Redshift Supernova 1a
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Graduate Is the Conventional Wisdom About the Universe Wrong?
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Graduate Spiral and Disk Galaxies are controlled by single parameter. What and How?
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Graduate If the universe is expanding more rapidly now
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Question about black holes and white dwarf
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Graduate The Missing Baryon Problem & Baryonic Tuller-Fisher
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Graduate Infinity and unique don’t mix. Theory
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Graduate Could a Variable G Explain Dark Energy and Matter in Our Universe?
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Are There Images of Phobos or Deimos Taken from Mars' Surface?
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Graduate Cosmological redshift and doppler redshift
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Undergrad Books on Cosmology of Stellar Objects
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Undergrad How much did the universe grow during inflation?
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Undergrad Composition of matter in the universe
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Graduate What are the best resources for studying Quantum Cosmology?
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High School Comparing Gravity and Big Bang Theory
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Graduate Understanding the accelerating expansion of the universe based on redshift
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Graduate Can We Detect Extraterrestrial Radio Signals Amid Solar Interference?
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Graduate Harnessing Dark Energy: Can We Make It Happen?
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Graduate The first CMB peak - Flat Universe
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Undergrad 13bn+ lightyears in all directions?
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Graduate Is the Universe Flat or Curved According to Planck Probe Data?
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How Will the Universe End According to New Theories?
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Graduate Can We See Distant Galaxies at Multiple Points in Time?
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Graduate What's the probability of a universe capable of life?
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Graduate How Does the Universe Expand According to Physics?
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Undergrad Flat Universe? Astronomer's Lecture on Why We Aren't Special
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Graduate Matter/antimatter, mass questions
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Graduate Can Dark Energy be a Fifth Force?
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Undergrad Cosmic Background Radiation - why is it still here?
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Undergrad What Happens After the Big Crunch?
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Graduate Doubt about our spacetime manifold
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Graduate Understanding Gamma Ray Bursts: Can We Predict & Model?
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Graduate What is meant by a particle should not overclose the univese? what is overclose?
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Undergrad How is the 3-d space an approximation of Euclidean Geometry?
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Undergrad What Are the Chances of Life on Jupiter's Moons and Other Saturnian Moons?
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Graduate Is the Cosmological Principle a Product of Our Perceptions or a Universal Truth?
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Graduate What Is Beyond the Infinite Universe and Its Expansion?
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Graduate Can the End of the Universe Be Measured with a Bouncing Wave? Great Video
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Graduate Radius of Universe 6 Gyrs Ago: What Was It?
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Graduate Question about observable universe.
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Graduate Are Supermassive Black Holes Roaming Galaxy Centers After Merger Events?
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Graduate What caused the tiny variations in the Cosmic Microwave Background?
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What is the probability of life in Universe?
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Graduate Why do cosmologists consider the cosmos infinite?
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Graduate How uniform is the expansion of the universe?
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So what to do with knowledge of how the universe works?
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Graduate Expansion and conservation of energy
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Undergrad Cause of Big Bang: What Started the Expansion?
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Graduate Black holes and redshift (2 questions)
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Graduate Calculating Critical Density Using FRW and Its Implications
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High School What is the Max Wavelength of CMB Radiation?
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Graduate How Does a Black Hole's Gravity Vary Despite Its Infinite Density?
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Graduate How did the Hydrogen Atoms formed from Energy ?
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Undergrad Anthropic Principle Interpretations
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Graduate Status of Dark Flow Phenomenon: Kashlinsky's Claim
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Undergrad Universe 93 billion light years?
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Graduate Hawking On The Edge Of The Universe
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Graduate Could this be an explanation why there is more matter than antimatter?
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Undergrad If Mass can be turned into energy, can enegry be turned to Mass?
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Graduate Our universe is a Black Hole in a 10D universe
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Graduate Black hole inside a larger black hole.
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Graduate Is the Universe Infinite or Finite?
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Graduate How energy divided up in early Universe.
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Graduate Are Inflation and the Multiverse Indisputably Linked?
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Undergrad Big Bang Initial Size: Evidence & Technologies?
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Graduate Time from the origin of universe
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Graduate Will the Milky Way and Andromeda Collide Despite the Expanding Universe?
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Graduate Topography of Spacetime over time
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Graduate What do mainstream cosmologists mean by Infinte universe ?
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Graduate Age of the universe from a photons point of view
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High School Big Crunch Theory Q: Can We Reach the Edge/End?
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Graduate Is M-theory Defined by Speculative Events?
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Graduate NASA Discoveries: Neutrinos and Cosmic Fog
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Undergrad Exploring Habitable Zones: Searching for Life Beyond Earth
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