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.
Undergrad Aphelion and Perihelion distance calculations
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Graduate What Insights Does the LUX Experiment Provide on Dark Matter Detection?
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Undergrad Temperature in Space: Is -273°C Possible?
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Undergrad Designs for a space station with artificial gravity
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High School Are galaxy orbiting around something?
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Most Distant Galaxy EVER Discovered
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Graduate Understanding double-peaked HI profiles
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Graduate Can Luminosity Give You a Star's Age?
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Graduate How fast can a neutron star spin before it becomes asymmetrical?
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Graduate Calculating Angular vs Lateral Acceleration of Objects Suspended in Zero Gravity
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Graduate What would happen to an earth sized body of water?
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Graduate Why space expansion is limited to scales larger than galaxy clusters?
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Graduate Neutron stars on collision course.
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Graduate Coronal heating by solar braiding
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Graduate How are neuton stars intensly magnetic?
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Graduate Sensors and Cameras for Local Space Analysis
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Undergrad Simulated astrophysics equations
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Graduate Proper Motion, Radial Velocity
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Unfathomable Possibilities of an Infinite Universe
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Undergrad Orbits of objects of equal mass
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Stargazing How deep can Hubble Telescope see?
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Graduate Novel way for interstellar travel
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Undergrad Are Galaxies the Same Age if they are the Same Distance From Us?
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Graduate Can a solid planet become a star?
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Undergrad What Are the Key Challenges Preventing Us from Occupying Space?
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Undergrad Can a Gamma Ray Burst create a shadow on Earth from the Sun?
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Graduate Laser Communications in Outer Space
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Undergrad IRAF can't deal with .fits files
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Graduate Is it Reasonable to Assume our Galaxy is in a Steady State?
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Undergrad Gravity and Supernova - My understanding
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Graduate Acceleration of expanding universe question
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Graduate How Does Light Behave Near a Star?
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Graduate Light that is directed towards the center of a black hole
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Graduate Is space plasma the key to understanding dark matter?
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Graduate What Are Stephen Hawking's Greatest Contributions?
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Graduate What is the Composition of an Exoplanet 50 Light Years Away?
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Undergrad What else do we know about dark matter?
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High School What is the Speed of the Lunar Terminator?
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Messier 45: Image from Oct 6th/2013
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Graduate Gamma ray bursts (GRB's) and the Ordovician Mass Extinction
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Undergrad Dark matter comprises over 80% of the universe
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Graduate Info on tests done in the past for expanding universe
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High School How do clocks keep up with time?
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High School Compare weights at equator and poles?
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High School Shape of Universe: What is Its Form?
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Undergrad Sunspot plotting and angular velocity
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Undergrad Calculating the Distance and Parallax of a Star: A Practical Guide
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Graduate What happens to gravity in one dimension of space?
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Graduate Centrifuge and Radial Bouyancy in space
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Undergrad Connection between right ascension and time
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Graduate Can Matter Be Transferred Between Universes?
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Undergrad Can Extra Dimensions Solve the Central Singularity of Black Holes?
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Undergrad What is a gravitational sling-shot?
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Graduate How to calculate when an object will be directly
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Undergrad How do atoms move through space?
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High School Is black hole a theoretical concept or a natural phenomenon?
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Undergrad Values of Right Ascension which are best for an observer
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Graduate Predicting the Radius of the Sun as a Red Giant with SSM
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Graduate Is Euclidean space an affine space?
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Graduate Are galaxies net importers or exporters of mass/energy?
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Graduate Temperature & Survival at Big Crunch
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Graduate Accelerating, Expanding Universe Questions from a Novice
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Graduate Consumption of a galaxy by its central black hole
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Graduate Effects of super massive blackhole on galactic movement
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High School Evidence of water found in Martian soil
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Undergrad Asteroid Impacting Venus: Will it Strike or Explode?
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Graduate Time & Gravity: How Much Slower on Earth?
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High School Why does Earth have an axial tilt
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Graduate Earliest Photons: Quark Era & Neutrino Decoupling
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High School Explaining Gravity: A Simple Question Answered for Kids by an Expert Astronomer
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Graduate Is the microwave background radiation still decreasing?
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Graduate War, space, and the evolution of Old World complex societies
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High School Is the Sun Really White? Investigating a Crackpot Theory
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Undergrad Is the inner core of earth affected by the moon?
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Undergrad How can I use the Newton Method to find the eccentric anomaly for Mars?
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Graduate Rewinding a black hole - Can a spinning black hole become a star?
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Graduate How Does Lower Moon Mass Affect Its Orbit Distance from Earth?
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Discovering the First Binary Star System: The Fascinating Binary System Story
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Graduate How Much Mass Energy Does a Black Hole Re-Radiate?
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Graduate Turn a sinusoid into a elliptic orbit
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High School Do 'Space Rainbows' Exist Outside of Planetary Atmospheres?
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Graduate Find Perifocal in Kepler: Reconcile Answers from x0, y0, z0, vx0, vy0 & vz0
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Graduate Nature of radiation on interplanetary space exploration
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High School Is It Possible to Explore Comets with Today's Technology?
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Graduate Planetary habitability in proximity to nebulae
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Undergrad Optimal Distance for Collision-Free Earth Orbit
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Voyager: at edge of our solar system
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High School Microscopic Alien life found on British Balloon?
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Graduate Is energy conserved in the expanding universe?
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Graduate Could Space Be an Energy Conversion Rather Than a Result of the Big Bang?
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Undergrad Star is expected to be torn apart in the center of our Galaxy
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Graduate Is the Universe Expanding into Nothing or Something?
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Graduate Orbital period of eclipsing binaries
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Stargazing What Type of Brass Telescope Do I Have?
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Graduate Energy and mass, equal in amount in the universe?
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Undergrad Question on Red shift applied to objects within the same galaxy
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Graduate How Does Heliocentric Julian Day Enhance Eclipsing Binary Analysis?
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Graduate Cosmic microwave background radiation
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Graduate Could dark matter be negative pressure
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Graduate How To Determine The Exact Speed You Are Moving In The Universe
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