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 Why can we only see one side of the moon?
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High School Looking for Simulations of Exoplanets
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High School Seeing a half Moon - where is the Sun?
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High School Could an Extraterrestrial Object Near Earth Disrupt Satellites?
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High School Why Do We See Darkness in a Universe Full of Stars?
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High School Vertical lift question (Lift a roof from beneath with limited space)
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High School Mass and Surface Gravity of a Dyson Sphere
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High School How Do Black Hole Animations Capture Optical Effects?
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High School Is Colonizing White Dwarf Systems Feasible for Interstellar Travelers?
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High School Jupiter's pole storms - potential relation?
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High School Need your advice how to start learning astronomy
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High School Is it a Meteorite? Las Vegas Hiker Finds 81.7g Object
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High School Viewing distant celestial objects
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High School What Would Happen if the Earth Stopped Rotating?
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High School How common are total eclipses in the universe?
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High School Can a Planet Have a Moon that Never Casts a Shadow?
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High School Has there ever been a planet-planet eclipse (i.e., observed from Earth)?
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High School Does matter accumulate in Earth's gravity well?
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High School 'A Brief History of Time' question on gravity
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High School Mars Landing, How instantaneous communication was possible
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High School What force keeps the planets orbiting normally?
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High School "Snow" on comet 67P/Churyumov-Gerasimenko is actually stars
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High School Tidal locking for planets of K type (orange) dwarf stars
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High School How the Earth's Magnetic field deflects the solar wind
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High School Next Generation Planetary Missions Hunt for Gravitational Waves
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High School Understanding the Mass of Solar Wind and its Impact on Earth's Surface
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High School Planetary debris found in white dwarf atmospheres
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High School What is the true density of the Asteroid Belt?
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High School Dark Matter -- Is it possible that Dark Matter has Planck mass and Spin two?
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High School Trying to understand the differences between distant & local galaxies
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High School Is the Universe Expanding Due to Spinning?
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High School Darkest Place on the Surface of the Earth
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High School When does the perspective from the cockpit of a spaceship change?
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High School Trace methane in Uranus and Neptune, condensing into diamonds
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High School Meteor Photographed by Accident: Spectacular Green Bolide
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High School Creation and distribution of elements - looking for recommendations
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High School Are Most Star Systems Composed Mainly of Light Elements?
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High School Will You Capture Jupiter and Saturn's Historic Conjunction?
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High School Earth & Moon Gravity Gradient: Investigating Its Impact
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High School Nature: "A massive white-dwarf merger product before final collapse"
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High School Are subspaces of Hilbert space real?
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High School Can iron form via processes like the r- or s-process?
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High School Where do the electrons go? (in stellar nuclear fusion)
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High School Snapped Cable Damages Arecibo Observatory Radio Telescope
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High School Question about things moving through outer space
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High School Question about Planck's Function
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High School What causes orbits to be inclined?
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High School Does Jupiter have an angular momentum problem?
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High School Question about the s-process and r-process in stellar evolution
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High School Nervous about James Webb Space Telescope?
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High School Pair Instability Supernovae & Electron Capture Supernovae
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High School Earth's Hubble velocity and measuring Hubble at large distances
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High School Help in explaining a question on gravity
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High School Star at black hole event horizon
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High School The composition of interstellar dust
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High School Why is Carbon considered volatile?
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High School NASA discovers water on the moon
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High School How does the observable Universe have meaning?
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High School Some historic remarks on astrometry by Terence Tao
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High School Phys.org - Carbon creation finding set to rock astrophysics
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High School Why is an inverse logarithmic scale chosen for the magnitudes of stars?
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High School What is the relative speed of two groups of quasars with different redshifts?
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High School There's Gold in Them Neutron Stars - or - Maybe Not
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High School If a coronal ejection like this happened during a total eclipse ....
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High School Measuring distance between two stars in a binary system
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High School Is there a forum where people can share and discuss features on Mars?
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High School What is the definition of a black hole?
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High School Tidal Locking question about the Earth-Moon system
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High School Are there any blue shifted galaxies name rc2?
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High School Unraveling the Mysteries of Dark Gravity
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High School By what process do different sized stars form?
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High School Mars Terraforming: NASA & Beyond - Plans & Prospects
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High School Largest Moon With A Concave Orbit
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High School UV timelapse of the Sun in 4K, 52 min = 1 second
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High School Why is the momentum of a star equal to the momentum of a planet?
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High School Question re binary star systems & possible orbits
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High School What effect will SpaceX's 42K satellites have on astrononical viewing?
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High School The Coronal Heating Problem - The Hydrogen Fusion Core disappears?
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High School Mining asteroids for minerals and resources?
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High School Rationale behind certain aspects of Space exploration
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High School Star Photography: Can We See Stars as Disks?
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High School Expansion of the Universe and the fourth dimension
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High School Would lightning be possible on brown dwarfs?
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High School What Are the Linear Dark Features on the Sun?
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High School Are the telescopes at Mauna Kea available for anyone to use?
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High School The Hubble Telescope Images a Magnificent Galaxy With “Flocculent” Spiral Arms
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High School Why certain stars seem to move very little in the sky
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High School Could a Black Hole Power Civilization?
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High School How to prepare my camera for a solar eclipse
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High School Consequences of the Existence of Gravitational Waves?
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High School An objective Bayesian analysis of life’s early start & late arrival
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High School Feasibility of Yuri Milner's Breakthrough Starshot
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High School Behavior of compasses AFTER the magnetic pole
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High School Discover the Black Hole Growth Rate: Time Frame for Consuming Planetary Mass
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High School USGS Moon Map w/ Legend: Help Finding & Enlarging
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High School Free Online Lecture: Seeing the Unseeable - Capturing an Image of a Black Hole
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High School What Did Hubble See On Your Birthday?
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High School What is the Cooling Time of a Neutron Star?
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High School Neutron Star Paradox: Understanding Coulomb & Gravitational Forces
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High School Why Do We See Old Galaxies in Every Direction?
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