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.
Undergrad Dark Matter: Can Gravitational Field Be Generated?
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High School Quasars & Fusion: Could They Generate Energy from Fusion?
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Insights Where Did the Big Bang Happen? - Comments
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Undergrad Why do we need "planetary equilibrium temperature"?
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High School Barycenter: Objects orbiting each other
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High School Is There a Limit to How Much Light Can Be Stretched Out in a Black Hole?
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Undergrad Youtube video about the sound of a pulsar
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High School Could the universe's Big Bang be 1D?
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Stargazing Is There More Than One Universe?
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High School Could LIGO Have Detected Dark Matter?
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Graduate Charged black holes and charge balance in galaxies
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Undergrad The Infinity of Days in the Eternity Universe
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Stargazing The terrible distortions of the Hubble Telescope
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Undergrad Is the total amount of gravity in the Universe conserved?
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Undergrad What are the Different Types of Multiverse Theories in Cosmology?
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High School Sgr A Relativistic Jets Visible?
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Undergrad Dark Energy - something from nothing?
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Undergrad Does Black Hole Evaporation Violate the Second Law of Thermodynamics?
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Undergrad Astronomical improvements needed to discover a ex-solar moon
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High School Why do stars experience gravity more than its mass?
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Undergrad Quantum Kinetic Energy of Neutrons, Protons and Electrons
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High School Why Is the Sun Expanding & Getting Hotter?
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High School Hubble's Law: Explaining Why Distant Bodies Recede Faster
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High School Density of Black Holes: Unveiling the Universe's Secrets
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Undergrad Remote observer sees black hole evaporate
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High School LIGO detects second gravity waves
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Graduate Systematic study comparing cosmological models?
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Undergrad Spacecraft Launches: Perigee & Apogee - Why Terminate?
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Graduate Stellar photosphere temperatures
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Undergrad How can the universe expand faster than light?
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Undergrad How Do You Convert Parsecs to Arcminutes in Astrophysics?
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Stargazing Dealing with Dust and Condensation on Telescope Mirrors
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High School Cosmological data margins of error
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High School Is the universe expanding faster than expected
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Undergrad Understanding the Polar and Equatorial Temperature Differences on Planets
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What does Astrophysics/Astronomy mean to you?
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High School What Happens to the Singularity Inside a Black Hole When It Evaporates?
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Undergrad Different densities of the universe on different angles?
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High School Is Space Truly Expanding or Just a Pedagogical Tool?
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Undergrad Could Brown Dwarf Sub-Dwarf Companions Host Habitable Moons?
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High School Infinite multiverse would contain the ridiculous?
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High School Zero degrees longitude on other planets
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Stargazing Can you me with this Hershel telescope beam?
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Stargazing Why Can't I See Anything Through My Newtonian Reflector Telescope?
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Undergrad Rate of Supernovae in the Milky Way Galaxy: Scientists' Best Estimate
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High School Calculating distances with an elliptical orbit
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Undergrad What is the size of the observable universe relative to CMBR
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Graduate Trapping the sun in a perfect insulator
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High School Is the concept of true distance compatible with relativity?
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High School What is the maximum lifespan of a B-class blue giant star?
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Graduate On a Clear Day, at 6 ft tall, at the waters edge ....
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Undergrad Calculating semi-major axis and minimum mass of an exoplanet
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High School What is the reason for galaxies fading in the distant future?
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High School Kepler's Laws of planetary motion
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High School What Is the Nature of Space and Its Infinite Possibilities?
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High School Universe is accelerating expanding
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Undergrad What Does MUV Mean in Astronomy? Understanding GN-z11 and its Redshift
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High School Could Dark Matter be Time itself?
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Undergrad How does mars have a magnetic field, with a cooled core?
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High School How do we know we are not inside a blackhole?
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Undergrad The "real" reason why some galaxies are flat
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Undergrad How Many Einstein Rings Have Been Discovered?
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High School Data on time for fading of galaxy?
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Graduate The equation of state of non-relativistic energy
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High School What Are Love Numbers and How Do They Impact Tidal Deformations?
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High School Jupiter Red Spot Position and more
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Undergrad Light speed moving objects -- What would it look like?
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Undergrad Is the Oort Cloud Just Speculation or a Real Cosmic Structure?
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Undergrad Superconductors and spacetime question
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Undergrad Hubble finds universe may be expanding faster than expected
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High School Equatorial platform: any experiences?
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High School Dipole pattern for Fine Structure Constant?
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High School Does the moon rotate on its axis?
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High School Are the axes of celestial objects parallel in a galaxy?
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High School Are Larger Black Holes Less Dense Than Smaller Ones?
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Graduate Life forms that live in decreasing entropy phase of universe
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High School Is the formation of galaxy groups explained correctly here?
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Undergrad How does the solar wind affect Earth's atmosphere?
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Undergrad What happens when tidal power runs out?
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Undergrad Why physicist who discovered things in gravity are the most famous ones ?
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Stargazing What is the difference between a type IIP and type IIL supernova?
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Undergrad GW150914 and GW150914-GBM revisited
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High School Predicting the future of a deterministic universe
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Graduate What is the significance of peculiar motion in galactic rotation data analysis?
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Stargazing A new and improved Eta Carina image
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High School Expansion of space and momentums of galaxies
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Undergrad Is tangential velocity in elliptical orbits stable?
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Graduate Having Trouble with ISIS Image Subtraction Method?
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High School Walking on a sheet of grippy fabric in space.
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Graduate Theories and questions on the expansion of the universe
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Undergrad Vacuum energy density after inflation
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Undergrad Is the BB Paradox Compatible with an Infinite Expanding Universe?
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High School Will the Universe Eventually Go Dark?
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Undergrad Closure Phase - Interferometry - Recurrence Relation
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High School Question about the nature of Gravitation
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High School Mass in Space: Questions & Answers
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Undergrad What is the History of Dark Matter?
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Graduate Climate change and changes in astronomical viewing conditions....
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High School Why is the redshift not the result of something else
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High School CCD: How It Works & Intuitive Explanation
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