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.
Stargazing Primary mirror for dobsonian telescope
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Undergrad Graph Right Ascension & Declination on Globe Graph
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High School Is Dark Matter a solid, gas or liquid?
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Undergrad Altitude and Azimuth of the Sun on the Summer Solstice at the Tropic of Cancer
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Graduate Can Two Black Holes Really Collide, Even If They Were Once Stars?
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Graduate Theoretical Resolution of Hubble
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Graduate Final temperature in a de-Sitter universe
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High School Understanding Life Support Systems
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Undergrad Apparent Magnitude of planets as seen from earth
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Stargazing Question on Refractor Telescope
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Undergrad Spectral and Luminosity Classification
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High School Stargazing 101: Adjusting for Hemisphere
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Graduate Accelerating Motion in Space: Virtual Particles?
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Graduate Orbit Semimajor Axis and Eccentricity after increasing V
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Graduate Discovering Anomalies: Extra-Galactic Meteor Observed by Russian Scientists"
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Graduate Neutron degeneracy pressure and electron degeneracy pressure
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Undergrad Need Help Creating Moons for Fiction Story
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Undergrad Rotational Forces in Galaxies: Gas & Beyond
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The creation of our solar system?
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High School Question about infinite space and time
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Undergrad Why 24 hours for right ascension?
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Graduate A Galaxy Beyond Gravity and the Hubble Flow
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Stargazing How to Make a Parabolic Mirror for a Telescope at Home?
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First pictures From Mercury in 30 yrs.
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High School What Are the Best References for Exoplanet Data and Information?
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Undergrad The ecliptic planes of the Milky Way and the solar system
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Undergrad Quick question with regards to self-study
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Graduate Is String Theory Consistent with MOND and TeVeS?
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Stargazing Want to run out and buy a better telescope
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Stargazing Meade 10" Starfinder EQ Telescope - Buy Now on eBay
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High School Questions About Space: Is Travel Circular? Can You Reach Big Bang Light?
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Undergrad Kepler's Law: Error Analysis & Mass of Earth
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Undergrad How do i find out how much energy a 20solar M BH would radiate given that
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Help finding Kip Thorne web course
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Undergrad SPACE.com: Source of Mysterious Antimatter Found
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Undergrad Mirroring sun with parabolic dish
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Graduate Neutron Star Mass: Understanding the Chandrasekhar Limit
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Graduate How does the Virial Theorem derivation for <K>=-<delta(U)> work?
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High School Typical stellar distances of visible stars in the Milky Way
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High School Questions about Zhumell 3x Barlow for 12" Dobsonian Telescope
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Mars Express Images from ESA's Mars spacecraft
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High School Could I Have Seen the Horsehead?
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Graduate What happens to atoms when they enter a black hole?
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High School Did supernovae have anything to do with the solar creation?
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Undergrad Is NASA prepared for a potential Mars-impacting asteroid?
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Graduate Noise Removal in Radio Telescope Observations
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Undergrad Was the Dust Cloud Surrounding Proto-Earth Hot or Cold?
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High School What would make a star flash red and blue?
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Graduate Can Black Holes Really Rip Apart Atoms and Light?
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Graduate Is it possible for a black hole to eat an entire galaxy?
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Graduate Unveiling the Mysteries of Quasars and their Energetic Emissions
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Graduate Can gas giants like Jupiter become stars and create a binary solar system?
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Graduate Can black holes absorb at an infinite rate?
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Undergrad Why gas giants were created far from the Sun?
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Undergrad The Mysterious Plane of Planetary Orbits
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Undergrad Help me im in WAS and i need to know Delta V. .
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MY SPACE website - packed with talentless people?
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Undergrad Gliese 581c/d and their Red Sun?
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Freakiest things in our solar system
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Undergrad Can you help me have a general view on cosmology and astrophysics?
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High School What Did We Find on Titan?
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Stargazing Which Telescope Should a Beginner Buy?
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High School Will the Universe Really End Up Filled with Black Holes?
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Undergrad How do we overcome the challenges of sending humans to the moon and Mars?
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High School Q&A on Orbits: Throwing Balls in Space
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Graduate An Introduction to Black Hole Thermodynamics
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High School Annoying nitpicking: has the geocentric view of the solar system been refuted?
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Graduate Gravity's Effect on Universe Expansion: Dark Energy?
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Undergrad Why Is My Zhumell Dobsonian's Laser Collimator Missing the Secondary Mirror?
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Graduate What is the average mass a black hole consumes
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Undergrad Why do gas planets not collapse?
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Undergrad Weins Displacement Law: Calculating Max Wavelength & Frequency
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Graduate Why Does Gravitational Time Dilation Decrease With Distance?
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Graduate Do Black Holes Emit Heat Due to Movement?
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Undergrad Are Black Holes Cold? - Ask an Astrophysicist
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Graduate Virtual particles and black holes
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Graduate Kepler's Equation to calculate transfer time
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Undergrad What Would a Nebula Look Like Close Up?
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Graduate Centre of Mass and Cosmic Expansion in 4D Universe
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Graduate That asteroid where's it going?
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High School How do we know the size of these suns?
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Graduate If i had a black hole of 20 solar masses, how much energy would it radiate?
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Graduate Milky Way's Two Halos Spin in Opposite Directions
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Graduate How can you find out the amount of hawking radiation a black hole exhibits?
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Undergrad Photon radiation, how does it work?
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Stargazing Telescope and astronomy questions
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Undergrad How is Stefan's Constant Used in Understanding Black Hole Radiation?
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Undergrad Why Did Only Saturn Develop Magnificent Rings in Our Solar System?
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Graduate When a star explodes, does the shock wave
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Undergrad Electric Currents in Planetary Magnetic Fields
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High School How to calculate the momentum of Pluto?
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Stargazing Negative Refractive Index Telescopes?
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Graduate Gravitational Tendency of Disks & Spheres
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Graduate Temperature of a molecule in a galaxy
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Graduate If gravitons exist, does that mean spacetime is not curved by mass?
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High School Gregorian calendar off by 26 seconds a year
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Graduate How Did Cosmic Inflation Shape the 14 Billion Year Journey of the Universe?
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Undergrad GRBs & Supernova: What's the Connection?
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Undergrad Saturn Rings: Age and Permanent Feature
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High School Math and Distance: How Far is Pluto from Earth?
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