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.
High School Are there any SPH planet collision simulators?
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Undergrad Action Dynamics of the Local Supercluster
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High School How did this Black Hole come to exist?
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Undergrad Can Hubble Red Shifts be Gravitational Red Shifts?
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Undergrad Holographic principle versus no-cloning
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Undergrad GW170608 - Another Binary Black Hole Merger Observed
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Undergrad Maintaining interest in the new 'private' space race
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High School Life is less likely on exoplanets
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High School Debate about how a light year can be used
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Stargazing Southern Sky Image: View the Southern Cross, Coal Sack & Omega Centauri
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High School Can the Sirius Star System Support Physical Life Amidst Its Unique Conditions?
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Graduate What Factors Influence the Habitability of Exoplanetary Systems?
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Undergrad Tidal effects on Earth's rotation and moon's orbit
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Undergrad Do Solar Tides affect Earth's Orbit?
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High School Simulation: Our Solar System's Hyperbolic Residents
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High School Jupiter's gravitational pull on the Sun and Earth
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High School What would happen if you take a piece of a pulsar
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Undergrad Where in our solar system are asteroids that contain ammonia
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Undergrad Unraveling the Mysteries of Gravity: From Light Bulbs to Spiral Galaxies
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Undergrad Can we experimentally understand the interior of a star?
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High School Dark matter not found in globular clusters orbiting MilkyWay
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Undergrad Dark matter and energy may not exist?
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Undergrad Could vacuum decay save multiverse ideas?
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Undergrad What does wobbling in BGC reveal about the nature of dark matter?
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Stargazing How hard is it to find filtered color bands using telescope?
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Undergrad How Bright Would the Milky Way Look If It Had No Dust?
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Undergrad What % of the heavy elements are produced by kilonovas vs. supernovas?
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Graduate Milancovitch cycles and how they relate to seasons
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High School Spacetime: Real or Not? LIGO Lab Explores Ripples
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High School Gravitational Wave Stretching: LIGO Arm vs Light
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High School Did a Star Go Supernova Twice?
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Undergrad Magnetic field of Solar System planets
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High School Acceleration of a proton/electron toward a neutron star
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High School The bizarre rotation of galaxies
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High School Sun's Expansion: Why Inner Planets Will Be Affected
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Undergrad Exoplanet Climate: Can Planets Have Multiple Liquid Layers?
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Graduate What would happen if dark energy was injected into a black hole?
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High School Could a brown dwarf passing through our solar system ignite Jupiter?
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Undergrad Resemblances between moon surface and earth mantle
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Undergrad Why is the Sun Yellow/Orange and Not White?
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Why aren’t more people interested now in physics & astronomy
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Undergrad Determining The Inclination Angle of A Stellar Binary System
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Stargazing Impact of Kepler Telescope Findings on the Drake Equation
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Undergrad First Chinese space station about to de-orbit soon
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High School Is a planet's crust distinct from mantle because ....
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Undergrad How much number crunching is necessary in some simulations?
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Graduate What Are the Future Strategies for Space Exploration and Colonization?
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Graduate Before the Big Bang - New videos - Cambridge university
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High School Do Black Holes Exist? Maths & Singularity Explained
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Undergrad Nuclear batteries on space probes
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High School Does Modern Astronomy have a problem?
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High School Why is the asteroid belt located between Mars and Jupiter?
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High School How does LIGO measure gravitational waves
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Undergrad Center of Image - Brightness Distribution
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Undergrad Dark Matter Simulation in Today's APOD
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Stargazing Stunning Telescope Photo of Vega Captured with 130mm Eyepiece - See the Beauty!
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Undergrad Enforcing artificial frozen orbit
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Graduate Why Are These Accretion Disk Concepts Challenging?
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Undergrad Is there a stellar type that would make Firefly possible?
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Stargazing Mysterious Evening Sky in Ireland - Solve the Mystery!
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High School Should we search for non-biological "life"?
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High School Apparent magnitude / absolute magnitude / luminosity
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Undergrad Is there an alternative theory to dark matter?
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Undergrad How to determine if an asteroid will burn up or hit Earth?
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High School How Would an Extra Planet Behind the Sun Affect Earth's Gravity?
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High School Wobbling galaxies: New evidence for dark matter
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Undergrad Instability of the Solar System
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Undergrad What is the difference between phase space and state-space?
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Undergrad Source of Heavier than Iron Nucleosynthesis
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Stargazing Is Binning the Key to Reducing Noise in Astrophotography?
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High School How Do Electromagnetic Stellar Gravity Waves Simulate Sound at LIGO?
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Stargazing Telescope Guiding Techniques: Improving Exposure Times through Auto Guiding
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High School Telescope and Stopwatch for the Mass of a Planet
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Undergrad Vibrations of astronomical bodies
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High School We could lose electricity and satellites due to solar flares
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Undergrad Can a supernova produce multiple stars?
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Stargazing What will be the outcome of the NGC4993 neutron remnant collision?
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Insights Getting Started with Solar System Imaging - Comments
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Graduate Does gravitational collapse limit Neutron Star size?
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Undergrad Is it possible to have a black star?
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High School Is the Edge of the Universe Defined by the Cosmic Microwave Background?
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Undergrad LIGO: How to Know Wave Direction?
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Undergrad Heavy elements from neutron star collisions?
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Undergrad Electromagnetism in the Lithosphere and Ionosphere
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Undergrad Neutron star merge why didn't all EM radiation came at once?
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High School The star's core cannot withstand its own gravitational force?
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Undergrad Moving through space vs sitting in an expanding space
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High School Dark matter and SMBH orbital decay
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Undergrad How does the solar wind affect power grids?
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Undergrad What Are the Leading Theories Explaining Dark Matter?
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High School Ring Found Around Pluto Neighbor Haumea
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Undergrad Dark Matter Disc Evidence: New Possibilities in Milky Way Galaxy
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High School The Factors affecting the Orbitals of a moon
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Undergrad Actual number of stars in the Milky Way
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Stargazing What's the Best Telescope for Astrophotography Under $1,500?
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Graduate Are period 5 elements common in most stars?
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Undergrad Methods of Hawking radiation generation
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Stargazing Focussing a Pentax K S2 with Live View for Moon Photography
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Undergrad Tight grouping of exoplanets 295RA 45dec
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Stargazing Looking for a beginner's telescope....
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