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.
What Happens If an Object Exceeds the Speed of Light?
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Distance to the Moon: NASA's Measurements and Findings
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Does Our Solar System's Orbit Through the Galaxy Cause Magnetic Pole Reversals?
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What are Supernovae and Hypernovae? Any resources or insights?
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Calculating Mass-Kepler's 3rd Law
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Black Hole Mass Accretion Temperature
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Black Holes and Gravity: Answers to Your Questions
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Stargazing Zhumell Z8 Dobsonian. 8 inch reflector
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Astronomy in UV and X-ray Spectrum
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Transition A produces light with a wavelength of 400 nm
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How Can I Calculate the Distance of an Object in an Elliptical Orbit Over Time?
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Using a straw in a space capsule
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Understand Phase-Space Density: Basics & Concepts
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I got a question about dark energy
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Astrophysics Reading Suggestions for College Students
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How Do High Redshift Galaxies Differ from Low Redshift Galaxies?
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Dark Matter Halo: Modeling Rotational Effect on Galaxy V(r)
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Does Light Mass Increase a Black Hole?
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Antimatter Universe: Same or Different?
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Gravity and the Formation of Stars
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How do branching ratios affect neutrino fluxes at Earth?
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Psr b1913+16: Impact of Periastron Epoch Change on Orbital Period Rate
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If wormholes connect two areas in spacetime, wouldn't that require 5
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Mechanism for Gammaray Bursts (computer sim shows neutron star merger works)
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Can You See a Parallel Universe Through a Black Hole?
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Pyramids = were they pointing at supernova?
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Uncovering the Truth About Planet X: Debunking Myths from a Renowned Astronomer
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Uncovering the Mystery: The Science Behind White Light and the Sun's Spectrum
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After Supernova: What Happens Next?
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Escaping Black Holes: Questions & Answers
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Why artificial gravity is not possible?
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Creating an Artificial Supernova
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Understanding Boltzman Equation: Probability of Energy in an Ideal Gas
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Stargazing Will Ultra Advanced Telescopes Enable Real-Time Planetary Surface Imaging?
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Could a life made of antimatter interact with a life made of matter?
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Are Black Holes Matter Sprinklers?
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Destroy a World: Methods & Energy Requirements
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Stargazing Pleasure of owning a telescope a telescope
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Plutonium - the last ironic trace of civilization?
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What fields have the hardest papers to read?
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Does the Supermoon Look Different Depending on Geographical Location?
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Orbital elements within a gravity simulator problem
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Milankovitch 100,000 years cycle problem
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Could Heat Radiation Solve the Pioneer Anomaly?
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The True Nature of Hawking Radiation
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Is our sun part of a star cluster?
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Mean Equinox J2000.0: Confirm Ecliptic Plane Intersection
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Cold Welding: Can Asteroids Fuse?
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Neutron Star vs Earth - Effects of a Collision
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What Do Epoch J2000.0 Orbital Elements Tell Us About Earth's Orbit?
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Sky seen from a planet orbiting a star in intergalactic void
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Radio Astronomy Cold Load Question
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Introduction and Questions about Asteroid Belt/Jovians
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Can Moons and Exoplanets Have Ring Systems?
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The Basics Regarding : Planetary Orbits and Whatnot
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How quickly did American researchers get data from Soviet probes like Venera?
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Age of Universe: 13.7 Billion Years | How is it Calculated?
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Why Does the Milky Way Appear as a Streak in the Night Sky?
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How Are Nebular Images Composed?
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Approximating Ellipse Orbits with Newton's Law
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How did moluculair oxygen devoleped on Mercury?
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Is 13 Billion Years Enough for Carbon Abundance in the Universe?
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Why Don't Jet Airplanes Heat Up Like Probes Re-entering Earth's Atmosphere?
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How Do Supernovae Lead to Black Hole Formation?
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Is it Possible to Escape a Black Hole?
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Why do the lowest tides follow the full moon by a few days?
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Space time is not phisical object
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Instant communication between great distances?
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Jovian planet with breathable oxygen atmosphere.
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Could we be living in a black hole?
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Taking issue with random walk of photon in star
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What is the truth about radiation pressure in stars?
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Is BEC still considered a viable dark matter candidate.
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Equation of state for electron degenerate matter
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Black holes can be characterized by their event horizons.
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Understanding Cosmic Distances and Time: A Question on Stellar Measurements
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Why is Ice More Prevalent in Comets than in Early Planetary States?
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Big-Bang & Inflation | R.K. Thakur | General Physics
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Could a black hole be akin to a tornado in a vacuum?
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Is there a quanta associated with dark energy?
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Is the Net Flux from an Isotropic Source Zero?
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Galaxy Rotation Curves: Impact of Angle on Velocity and Shape
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Reversed Gravity: Antigravity Effects on Spacetime
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Rainbows in Space: Can We See Light Refraction?
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How Can Spherical Trigonometry Help Calculate the Sun's Path?
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Gigantic Full Worm Moon this Weekend
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Reasonable mass and surface gravity of fictional planet based on radius
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High School Debate topic: Space development and Exploration
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How can hawking radiation escape?
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Jovian Moons: Is a Small Jovian a Moon of a Larger One?
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When the sun becomes a black dwarf
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Do wormholes allow for time travel and travel to other dimensions?
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What Happens if a Scale Model of the Sun Weighs as Much as the Real Sun?
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Debunking Equinox Myths: Balancing Silver Dollars and Eggs on the Vernal Equinox
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What is the color of a neutron star?
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Positioning of the artificial satellite
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Space saver compartments with mechanical crank device
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Calculating the Hubble Constant at Different Redshifts
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Naked singularities and traversable wormholes
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Travel in Space: Electric or Fuel?
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