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 Hubble Spots Farthest Star Ever Seen
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Undergrad What Does Radiation Do to Space Ice?
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High School Can electromagnetic waves traverse wormholes?
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High School Is Language Barrier a Reason for Our Limited Understanding of Black Holes?
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Undergrad MOND from galaxies that are fractal
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High School Northern Lights Visible in Mid States Tonight
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High School Why combine the JWST data physically instead of digitally?
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High School Could anything heat back up the core of Mars?
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Stargazing Is There a Reliable Supernova Alert System?
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High School What happens to the Core of a main sequence star as additional mass is added?
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Undergrad Is a horseshoe orbit a hyperbolic orbit?
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Undergrad Information loss in black hole, why is it a problem?
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Undergrad Does Dark Matter Fall into Black Holes?
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Undergrad Surface Differential Rotation by measuring the position of sunspots
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Undergrad Where does the Sol system lie in the cross-section of the Orion Spur?
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Stargazing Spotting Meteorites: Unveiling the Mystery of Annual Showers
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Undergrad How Does Gravity Affect Spectral Line Strength?
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Undergrad Back of the envelope estimate, energy flow in a box of plasma
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Undergrad What causes the precession of the equinox?
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High School Is the Earth falling into the sun from gravity?
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Undergrad Universe Expansion: Does Less Dense Mean Boundaries?
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Undergrad Impact on Earth: Calculating Energy
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High School The configuration of galaxies in space
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High School Different stars visible from northern and southern hemispheres
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Undergrad Are Two Supermassive Black Holes on a Collision Course?
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Stargazing Upcoming Supernova? | Nature News
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High School Revealing Secrets of Distant Supernova DES16C2nm: 10.5 Billion Years Ago
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High School Light and the black matter (Dark Matter)
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High School Asteroid/Near Earth object mining
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High School Questions about Lagrange points in the Pluto / Charon system
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High School Alcyoneus Radio Galaxy: Myth or Reality? Discover the Truth Here!
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Undergrad Energy conservation in Doppler (NOT cosmological) redshifts?
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Undergrad Why does Webb orbit L2, is it because of the Moon?
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Undergrad How to Experimentally Measure the MTF of a Lens?
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High School NGC 4590, more than 1,400 stars found in various evolutionary stages
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Undergrad Radioactive Dating of Asteroid Elements: How Do Scientists Know?
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Undergrad What Are the Theories Behind the Moon's Formation?
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High School I wonder why massive objects slow down time
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Stargazing Image JWST: Amateur Astronomy Success?
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High School Can the "Dark Energy" concept be wrong?
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High School Does the inertia of matter change in a black hole?
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Undergrad Can We Predict the Sun's Path from a Single Altitude Measurement?
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High School How Can We Prove That Space is Expanding?
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High School Why is the Webb Space Telescope placed at L2?
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High School Chasing the Moon: Astronauts & Technology".
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Undergrad Ship Braking: Blue or Red Doppler Shift?
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Stargazing Why no Phase Contrast Telescopes?
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High School An Ancient Solar Storm 9200 years ago is Cause for Concern
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Undergrad Portable telescopes inside the International space station (ISS)
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High School The Colors of The Moon (Doppler Effect)
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Undergrad Antimatter-matter asymmetry, Law of charge
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Undergrad SN 2019hgp, new type of supernova? Wolf-Rayet progenitor?
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Undergrad Balmer Absorption Lines in Different Temperature Stars
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Undergrad Is the animation/graphics for NASA's Webb telescope in error?
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High School Understand Bonnar-Ebert Model: Complement to Jeans Law?
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Undergrad Gaia vs DESI: Comparing Largest Star Maps Ever
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Undergrad Optimizing Sensor Thickness for Efficient Optical Wavelength Detection?
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Undergrad Is the false vacuum theory not well accepted?
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High School What is the mass distribution and rotation curve of galaxy IC1101?
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Undergrad Jupiter atmosphere, turbulence and ocean fluid dynamics
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Undergrad Force of gravity on JWST while orbiting L2
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Graduate Viewing Constellations from Opposite Hemispheres
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Undergrad Does gravity compress matter in planets?
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Undergrad We watched a red supergiant explode to ordinary type II supernova
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Undergrad Do Stars Fuse Elements Heavier Than Iron Before Imploding?
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High School Lunar libration time lapse with real photographs?
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High School Propellantless Rocket: Unleashing the Power of Breit-Wheeler
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Undergrad How is light modeled in astrophysics?
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Undergrad How to change CSpice initial velocity from an Asteroid SPK file?
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Stargazing Understanding the Chandrasekhar Mass Units for Relativistic Lane Emden Equations
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High School What If Universes Were Made of Antimatter?
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High School So, a black hole and an antimatter star bump into each other....
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High School Question about a horizontal sundial
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Undergrad Cosmological Positioning - How does one determine?
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Stargazing 3D/2D Universe Model (DSO, stars etc.)
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High School What do they mean when they say something is so many light years away?
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Undergrad Is EK Draconis' binary status a factor in its ability to produce large CMEs?
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Stargazing Level of details in prime focus vs eyepiece images
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Undergrad How Big of an Object Orbiting Closer to the Sun Than Earth Could Be Overlooked?
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Graduate How Does the Ring Current Persist Despite Short-Lived Particle Drift?
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Undergrad Why is the Big Bang shown always directional, instead of globally?
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High School Could satellite be geo-stationary away from equatorial plane?
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Undergrad What are the Coordinates of Sagittarius A* at Different Julian Century Dates?
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Undergrad History of astronomy and the Phases of Venus
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Graduate Molecular cloud collapsing and fragmentation
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Undergrad Ultraluminous X-ray source in the galaxy NGC 55
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Undergrad A New Idea for the Origin of Earth's Water
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Undergrad Dark Matter as a condensation of photons in a space
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High School Process of a sun changing into a white dwarf
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Undergrad Oumuamua: Solar System Acceleration & Origin Traceability
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Undergrad What is the average distance between objects in the Kuiper belt?
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Graduate How is the Temperature of Gas in a Cluster Calculated?
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Undergrad Reading Paper on Earth Occultation Technique
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High School What is the Maximum Mass of a Neutron Star?
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High School Observational bias? Lack of massive black hole observations....
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Undergrad Is the Sun a low-mass star or a medium-mass star?
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Undergrad Questions about the Voyager spacecraft
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Undergrad How Does Earth's Rotation Vary Daily?
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Undergrad Relativistic Doppler Effect near a Black Hole
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Undergrad Image for increase in gravitational potential energy in radial field
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