Astronomy, Astrophysics, Cosmology Forum

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Join in expert discussion on the topics of Astronomy, astrophysics and cosmology. This may include discussion on celestial objects, space, and the physical universe as a whole. Mainstream science only.
Graduate The Observable Universe ve The Universe
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Undergrad Radiated Energy from the Sun: Is It Diminishing?
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Undergrad New Theory: Moon Formation & Potential Venus Collision
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Graduate Tachyons and black matter/energy
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Graduate Can a closed universe expand forever?
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Graduate Inflation and Element Formation: Irreconcialble?
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Odd Body in Asteroid Belt with 6 Tails
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Undergrad Forgotten force: The other great cosmic attractor
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Finding an Astronomer for Your Fictional Galaxy: Tips and Tricks
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Undergrad What Will Happen if Universe Stops Expanding?
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Graduate Seeking thorough derivation of Friedman equations
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Graduate Giant monopoles as a dark matter candidate
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Graduate Can electric fields/currents be seen on the sun?
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Undergrad Unveiling the Universe: Understanding the Composition of Our Cosmos
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Graduate How did time behave while the universe expanded so rapidly?
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Graduate Can neutrinos travel faster than light?
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Graduate What's on the other side of a black hole?
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Undergrad Is Big Bang True? Physics and SR/GR
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Graduate What is the current evidence for dark matter?
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Graduate Conceptual problem on black hole singularity
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Undergrad How Many Universes Exist in the Multiverse?
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Graduate What is the estimated mass flow in relativistic jets from black holes?
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Undergrad Calculating Mass Lost of Iron Asteroid Hitting Earth
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Graduate Curious inquiry about exotic matter
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Undergrad Why Do Galaxies Spin and What Role Do Black Holes Play?
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Graduate Is cosmology truly precise or is it just full of approximations and assumptions?
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Graduate How to Calculate the Lower Limit of the Diameter of an Icy Minor Planet?
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Undergrad How long do you expect transit to last?
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Graduate Why wasn't the Big Bang an isotropic explosion?
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Graduate Pulsar Orbiting another body, doppler shifted pulse rate problem
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Graduate In the future, an Exobyte of astronomical data per day
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Graduate Flywheel inside a spaceship experiment
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Undergrad Achievable orbit from launch location
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Graduate Inflationary Cosmologys effects on the strong nuclear force
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Undergrad Aphelion and Perihelion distance calculations
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Graduate What factors affect the age of the universe?
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Graduate What Insights Does the LUX Experiment Provide on Dark Matter Detection?
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Graduate Which came into existance first: Energy or Mass?
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Graduate LUX Results: Trouble for WIMPs Dark Matter Models?
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Graduate Help with Friedman equations and density of energy
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Graduate Lower Bound On Dark Matter Mass Density
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Undergrad Temperature in Space: Is -273°C Possible?
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Undergrad Designs for a space station with artificial gravity
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High School Are galaxy orbiting around something?
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Most Distant Galaxy EVER Discovered
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Graduate Can We Poke a Hole Through the Fabric of Space?
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Graduate Understanding double-peaked HI profiles
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Graduate Can Luminosity Give You a Star's Age?
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Graduate How fast can a neutron star spin before it becomes asymmetrical?
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Graduate What is the equation for the amplitude of scalar perturbations ?
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Graduate Calculating Angular vs Lateral Acceleration of Objects Suspended in Zero Gravity
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Graduate What would happen to an earth sized body of water?
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Graduate What Caused the Small Flash in the New Bang Theory?
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Graduate Why space expansion is limited to scales larger than galaxy clusters?
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Graduate Neutron stars on collision course.
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Graduate Coronal heating by solar braiding
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Graduate How are neuton stars intensly magnetic?
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High School Can Astronomy and Cosmology Bridge the Gap Between Creationism and Evolution?
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Graduate Will light get reflected at edge of space
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Graduate How do you think of the Cosmic Event Horizon?
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Graduate Sensors and Cameras for Local Space Analysis
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Graduate What are the boundary conditions of the universe?
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Graduate Is H(hbar)/2c^2 a Possible Fundamental Unit of Mass?
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Undergrad Hubble's Deep Field View in the long long Future
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Undergrad Simulated astrophysics equations
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Graduate Cosmology as quantum, ie. M-theory
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Graduate Proper Motion, Radial Velocity
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Unfathomable Possibilities of an Infinite Universe
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Undergrad Orbits of objects of equal mass
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Graduate Can We Visualize Spatial Direction in Space?
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Stargazing How deep can Hubble Telescope see?
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Graduate Novel way for interstellar travel
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Undergrad Are Galaxies the Same Age if they are the Same Distance From Us?
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Graduate Is the concept of space and time before the Big Bang scientifically irrelevant?
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Graduate Can a solid planet become a star?
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Undergrad What Are the Key Challenges Preventing Us from Occupying Space?
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Undergrad Can a Gamma Ray Burst create a shadow on Earth from the Sun?
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Graduate Laser Communications in Outer Space
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Graduate Could the objects in the universe be shrinking?
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Graduate Could Black Holes Be Baby Universes Evolving Backwards in Time?
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Graduate Origin from Nothing - what does it mean?
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Undergrad IRAF can't deal with .fits files
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Graduate Empirically testing black holes.
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Graduate Deceleration Parameter Computation
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Graduate Does geometry have any bearing on the fine tuning argument.
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Graduate Is it Reasonable to Assume our Galaxy is in a Steady State?
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Undergrad Acceleration proportional to what?
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Graduate Can you imagine geometry without matter and light?
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Undergrad Gravity and Supernova - My understanding
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Graduate Acceleration of expanding universe question
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Graduate How Does Light Behave Near a Star?
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Graduate No Boundary Condition Universe: Stephen Hawking
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Graduate Light that is directed towards the center of a black hole
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Graduate Is space plasma the key to understanding dark matter?
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Graduate Is Space Fabric Real or Just a Theoretical Construct?
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Graduate What Are Stephen Hawking's Greatest Contributions?
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High School Expanding Universe: Is Space Like a Balloon?
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Graduate After Big Bang: Are There Different Universe Building Blocks?
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Graduate What is the Composition of an Exoplanet 50 Light Years Away?
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Undergrad What else do we know about dark matter?
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