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.
Is the fabric of space displaced by a mass object in it?
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Five Cepheids Detected on the Other Side of the Galaxy
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Need rebutal for plasma EU theory
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Could Supermassive Black Holes At The Center Of Galaxies Be Wormholes?
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How does a nebula form from a neutron star
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Is Saturn the Night Object in Photos?
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Can dark energy be a different dark matter?
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Detect planets in solar systems like ours
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What causes a supernova to occur?
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Solar Wind Modulates Lightning - Mechanism Unknown
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Inverse square law explains Olbers' paradox?
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Superconductors and Space: Can Electricity Bend Reality?
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How does Andromeda look from just a set of 10x50 binoculars.
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Camelopardalis meteor shower (storm?) May 23/24
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Stargazing Telescope to see up close to nebulas and galaxies
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Nice general collection of high resolution astro images.
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Stargazing The What telescope are you using thread
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Can't actually see anything through the eye piece
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What would gravity be in these 2 conditions
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Recommendations for astrophysical simulation software.
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Stargazing Remote Telescopes for New or Old Astrophotographers
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Faith of Quantum Entanglement once it enters two different black holes
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New paper says universe not expanding - should it be taken seriously?
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How to calculate absolute magnitude of a stellar body?
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Why does the furthest stars seem to be moving away faster than light?
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Are Flat, Coplanar Orbits Only Found in Spiral Galaxies?
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Stargazing Can a Simple 80x Telescope Reach Maximum Resolution?
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Apparent Magnitude: Understanding Star X's Brightness
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Understanding Dark Matter: A Simple Explanation
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Dark matter and weighing galaxies
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Finding the mass of a super-massive Black Hole?
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Dark Matter Formation: Exploring Big Bang Theory
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What Evidence Supports Sagittarius A* as a Supermassive Black Hole?
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Amount of solar energy per day in a given location
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Are There Many Suns in the Universe? A Debate
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Establishing a Mutual Coordinate System for Interstellar Communication
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  • Poll Poll
Are Black Holes Really Black or Just Colorless Void?
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Doppler Effect on Light: Understanding Blue Shift in Starlight & X-ray Formation
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Could Dark Matter Be A Property of Space?
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Jupiter: Gas Planet? Landing Possibility & Facts
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Why does the Sun appear to change color throughout the day?
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Hubble's Law and Acceleration: Are Distant Objects Accelerating Away from Us?
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What Are the Best Resources for Understanding Star Clusters?
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Can Pluto Regain Its Planetary Status by Cleaning Up Its Orbit?
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How Do Objects Hang in Outer Space?
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Sun can absorb almost 200,000 more Suns?
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Hawking Radiation and the Decay of Black Holes
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Could light explain dark energy?
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Stargazing Telescope that can easily be connected to a laptop
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A model of galactic star formation
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App/program that allows you to adjust spectrums of light?
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Does Interstellar Gas Affect Atmospheric Seeing in Ground-Based Observations?
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Is Our Universe a Black Hole?
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Radius of the smallest exoplanet detectable with the transit method
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How do we find the exact temperature of a star/galaxy?
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May 5, 6 - Eta Aquarids Meteor Shower
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Titan vs Earth: Hydrocarbons vs Water - Pros and Cons for Thriving Life Forms
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How could Einstein's theory contradict to the quantum mechanism?
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Number density/average distance relationship question
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Venus Jupiter and Moon Conjunction HD Timelapse
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Do contracting objects show red shift?
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The Meaning of 'Proportion' in Richard Feynman's Views on the Universe
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First Hyper Velocity Star Cluster Observed
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Stargazing Expert Astrophotography Tips & Discussions | Share Your Photos!
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Stargazing What's Happening in the Night Sky? Upcoming Astronomy Events to Look Out For!
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Travelling to the edge of the Universe, 4th Dimensional Time Travel
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MOND : Help with fitting procedure
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How Fast Does Beta Pictoris b Spin?
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Can dark energy reveal absolute motion?
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Could a planet get heavier without needing to grow in size?
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How Is the Angular Diameter of Jupiter Measured and What Equipment Is Used?
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Radiation on Mars: Does it Lack a Magnetosphere?
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Why does gravity increase when a star dies?
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How Often Do Blue Moons Really Occur?
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Earth-sized exoplanet spotted in star’s habitable zone
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Collision Sparks Star Birth at Our Galaxy's Edge
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Is it really possible to see down to mag 8?
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Sterile Neutrino Dark Matter: Case Advanced
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Can NMEA (GPS) Data Tracker Help Improve Signal Reception?
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Are green <5mW laser pointers legal to use in New York City?
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Why do we observe only microwaves in the background radiation?
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Angular momentum of galaxies in galactic clusters
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Which Variable Star Has the Longest Period?
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Bullet Cluster: Controversial & Puzzling Evidence for Alternative Models
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Can WorldWide Telescope Help View Gas Clouds, Star Systems, and Galaxies Online?
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Time travel into the past a possibility now?
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M42 and the Running Man nebula with Takahashi 150mm
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Light & Black Hole: Absorbing Light w/o Mass
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Formation of 1st Solar System: Timeline Since Big Bang
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Superluminal Gravitational Acceleration
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Iapetus equatorial ridge fell from the skies
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Doubt in a scene from the movie Gravity
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Is circumnavigation possible on Phobos or Deimos?
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The Sun's Next Phase: Can We Avoid Extinction?
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Why terrestrial planets in inner solar system & gas giants in outer?
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Found: The First Double Star That BRIGHTENS During Eclipse
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Why is angular momentum not conserved in 2 similar mass planet system?
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How accurate is our image (depiction) of the Milky Way?
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Understanding the Luminosity of Radiative Stars
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Stargazing How big would a neutrino telescope have to be?
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