Astronomy and Astrophysics Forum

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Join in expert discussion on the topics of Astronomy and astrophysics. This may include discussion on celestial objects, space, and the physical universe as a whole. Mainstream science only.
Graduate Is Nothingness the Cause of the Big Bang?
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Graduate Why Does the Tully-Fisher Relation Change with Different Wavelengths?
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Undergrad How Can We Study Exoplanets Using the Doppler Effect?
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High School What Is Tidal Locking and Could It Affect Earth's Axis?
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Graduate Mass-to-light-ratio and dark matter in galaxy
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Undergrad Can Saturn Keep Its Ring System If It Moves Close to the Sun?
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Graduate Can someone tell me if GP-B has results about GR, one way or the other?
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Undergrad Question about curvature of space
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High School Can a star drift through intergalactic space?
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Interview Someone on Black Holes
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Does a Galactic Barrier Exist? Ask Here
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Stargazing How to make a telescope using simple steps?
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High School Distance from low earth orbit to Europa?
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Graduate Might A Hot Jupiter Require Another Gas Giant - 3-body Problem?
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Graduate Do Civilizations Exist Beyond the 20,000 Light-Year Sphere?
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Undergrad Exoplanet Hunting & Quantification: Tips & Resources
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High School Do the planets revolve on a 2d plane?
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Are There Any Cosmology Documentaries for Adults?
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Stargazing Why isn't the magnification of a telescope (-)
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Graduate Orbital Speed calculation using conservation of Energy
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Undergrad Is High Speed Space Travel Feasible with the Risk of Space Debris?
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Graduate Understanding the acceleration of solar wind particles
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High School Where to Find Information on Algol's Brightness Variation?
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High School How to Set Up an Online Observatory?
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Graduate Answer "Can a Human Become a Black Hole? Theoretically Explored
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Graduate Antimatter Blackhole: What Would Happen?
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High School What Happens to Earth if Sun Becomes a Black Hole?
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High School What is space, vaccuum, or nonexistence?
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Graduate Cooperstock and Tieu Respond to Criticisms
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Undergrad Sunrise on Uranus: How Often at S. Pole?
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Graduate My blackhole theory-Why is it Wrong?
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Graduate How Do You Calculate Using the MOND Formula?
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Graduate Solving for Speed of Light Inside a Black Hole
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High School A question about the Satturn rings.
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High School High school sophomore interested in Astrophysics
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Graduate What is the R3 Point in the Earth-Sun Lagrangian System?
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Graduate Looking for a mainstream explanation for gamma gays and nuetron capture signatures.
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Graduate Detecting Black Hole accretion disc
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Graduate Is Super Mario Galaxy Physics Possible in Real Life?
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Undergrad What is the Astronomical Definition of Eccentricity?
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Graduate How do black holes form if the Pauli Exclusion Principle seems to prevent it?
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Graduate Is Space-Time Finite or Infinite?
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High School Is the sky map for Comet Holmes accurate?
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Undergrad What if the Earth could be moved away from the Sun when it becomes a red giant
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Graduate Spectrum of flux for a synchrontron source
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High School What Are Population I and Population II Stars?
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Graduate Is Gravitational Expansion Consistent with Physical Reality?
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Undergrad Occultation of star by epsilon ring of Uranus
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Undergrad Calculate Satellite Height Above Earth's Surface?
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Undergrad Intelligent Life: Questions & Considerations
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Graduate V-I Color Index and Astronomical Catalog
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High School Ancient calculations and observations
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Graduate Is a Singularity One-Dimensional?
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Graduate Gravitational Expansion & Flat Universe
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High School Siberian Impact Crater Found: 1908 Russian Space Blast
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Graduate Estimating relative distances for star clusters
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High School Is There Life on the Moon? The Possibility of Lunar Ice and Its Implications
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Graduate Does Interstellar Extinction Change the Angular Size of Star Clusters?
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Graduate Galaxy Brightness and Color Correlation: Uncovering the Math Behind
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Stargazing Solid angle acceptance of a muon telescope
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Graduate Do we know where supermassive black holes come from?
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Graduate IEEE considering electrical model of stars
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Graduate Equation for how much an object curves space-time
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Graduate Do Black Holes Emit Nuclear Particles Like Electrons and Protons?
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High School Son's: Seeing Objects from Earth
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Graduate Luminosity-Metallicity Relations in Spiral Galaxies.
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Can someone tell me what this is please?
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Graduate Dark Matter: Canadian Astronomers Suggest It May Not Exist
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Undergrad Difficulty in understanding a Rocket travelling in space.
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Graduate Manifold and Metric: Answers to Your Questions
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Graduate Black Holes May Contain Tiny Universe - Nariai Universes
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Undergrad Understanding Black Holes: Comparing Mass Calculation Methods
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Graduate Complete Hill Sphere Derivation: Learn the Equation and its Derivation Process
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Graduate Hill Sphere Formula: Understanding, Mass, Twin Planets, Eccentricity
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High School How can I write a 5 page paper on the origin of the solar system?
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Identifying Objects in the Solar System
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Graduate How big can a body get (size wize) before it collapses onto itslef?
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Graduate Would a black hole create a wormhole in space?
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Graduate Finding AGB Star Phases: Modeling S-Process in a Helium Shell Burning Region
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Graduate What Happened to the Energy from Matter/Anti-Matter Annihilation?
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Is There Real Evidence for the Moon Landing?
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Undergrad Explore the Night Sky with an Online Planetarium at Astronomy-Page.com
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Undergrad Calculating Circumpolar Star Declination for Different Latitudes
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High School Beginners Questions about Astronomy
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High School Can Carbon Nanotubes Make Space Elevators a Reality?
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Graduate An way to visualize dark matters effects on space-time?
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Graduate Thought Experiment on Dark Matter
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High School Get Astronomy Homework Help for Confusing Problems - Due Tomorrow Morning!
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High School Agol, Interesting objects in Perseus.
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Undergrad Does Increasing Density Increase Gravity?
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Undergrad What Are the Latest Discoveries in the Search for Earth-like Exoplanets?
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Graduate Question about the Horizon Problem
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Graduate Data on galaxies -good references ?
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Undergrad Types of Supernovae: How to Distinguish Them
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High School Space Temperature: Is There a Temperature in Space?
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Graduate Is Faster-Than-Light Travel the Key to Interplanetary Exploration?
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Stargazing Looking for advice on telescope
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Undergrad Solar Wind Flux: Electron/Proton Count Reaching Earth
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Undergrad Weight dependent on planet size and rotation speed?
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Stargazing Is there a DSLR with programmable frame rate for sequential shots?
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