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 Can We See This Massive Coronal Hole on the Sun?
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High School "If a black hole has more mass then the event horizon shrinks" ???
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High School How Does a Massive Planet's Orbit Around the Sun Appear?
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High School Amaterasu and GRB221009A: A Comparison of Cosmic Rays and Gamma Ray Bursts
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High School More Experimental Evidence for MOND
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High School How to calculate Aphelion distance?
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High School What keeps most galactic stars from falling into the centeral black hole?
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High School How Do We Calculate the Number of Atoms in the Universe?
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High School Visible Light Through a Wormhole
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High School First light from the Euclid telescope
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High School Does the Universe prefer certain kinds of matter based on the laws in place?
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High School Can Jupiter gravitationally eject a pebble in orbit? A smaller mass?
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High School Supernova Ejection: How Large Are the Chunks?
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High School Annular eclipse October 14, 2023
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High School Can anyone suggest a good website to buy astronomy equipment?
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High School Which star is the closest red giant to Earth according to The Guardian?
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High School Is the existence of Planet 9 supported by Modified Newtonian Dynamics?
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High School Am I attracted to a hydrogen atom 1 billion light years away?
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High School Why Does an Einstein Ring Have Four Images?
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High School Difference between autumnal and vernal equinoxes
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High School SubNeptune planet K2-18b shows methane and dimethyl sulfide
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High School Questions about relative Space-Time in the Universe
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High School Do changes in speed always affect orbit size, and vice versa?
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High School A Question about Cosmic Background Noise
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High School More Evidence for MOND -- Globular cluster galactic acceleration imprint
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High School Can BepiColombo Detect Microbial Life on Mercury?
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High School Beware of "truthiness" in astronomy in seemingly reliable websites
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High School The Sun's Influence on the Moon's Orbit: Is it Negligible?
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High School The fastest spinning and possibly the youngest magnetar known
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High School Questions about Supermassive stars in the Milky Way Galaxy
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High School Has Earth Lost Its Status as a Planet?
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High School What is a parsec and how is it measured?
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High School Glimpsing Orion's Setting in the Western Sky
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High School Saturn's 145 Moons: The Latest Discoveries and What Sets Them Apart
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High School When Would Planets Go Dark if the Sun Went Out?
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High School What caused the recent supernova in the Pinwheel Galaxy?
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High School How can the Universe be flat? Ridiculous
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High School At what distance would a Venus-like planet have a HZ temperature?
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High School Night Sky of Alpha Centauri: Sol as a Bright Star
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High School How bright is the Sun compared to the sky?
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High School What Would Happen to the Elements in the Human Body If Teleported to the Sun?
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High School What's a good website for aurora forecasts?
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High School Ken's Constellation Query: Viewing Same Constellation in AUS & SA
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High School Exoplanet TOI-4603 b, ~13x Jupiter mass, ~1.04 Jupiter diameter
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High School Ultramassive Black Hole (UMB), 30 billion solar masses?
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High School Are the stars that we see in constellations within the Milky Way galaxy?
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High School Circumgalactic Black hole imaged by the Hubble Space Telescope
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High School AI Enhanced image of M87 black hole
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High School Discover Jupiter's Mysteries with James Webb Space Telescope
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High School How many astronomers use JWST data?
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High School Vulpecula, pulsars and neutron stars
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High School Uracil found in carbonaceous asteroid
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High School Why do people not notice the equinox when it happens?
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High School What is the significance of the record-breaking Gamma-Ray Burst GRB221009A?
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High School Map of M87 Galaxy & Universe: Find & Explore Here!
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High School 'Universe Breaking' results from JWST -- What does this mean?
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High School Deriving the Approach Velocity of Meteorites
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High School Forming Stars/ Brown Dwarfs by photo-erosion
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High School Why is this JWST paper a cause for 'Panic'?
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High School Can a T-tauri star degenerate into a Brown dwarf?
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High School Formation of Brown Dwarfs in filaments?
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High School Who was the first person to recognize the stars as very distant suns?
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High School What is the best source for this star data? (M44 Beehive Cluster)
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High School Hot white dwarfs and pre-white dwarfs discovered with SALT, MNRAS
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High School What is the “Unknown physics” of the new Kilonovae explosion?
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High School How Can Planetary Movements Affect Time and Illumination on an Inhabited Planet?
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High School Planetary Orbits - Elliptical or Wavelike?
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High School The green comet is just a weak smudge now
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High School How Do Gamma Ray Bursts Compare to Man-Made Plasma Emissions?
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High School Are the stars of the constellations stationary?
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High School Question regarding supermassive black holes in the early Universe
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High School Lost Companions: Investigating the Existence of the Nemesis Star
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High School Is Your Rock a Real Meteorite or a Common Meteorwrong?
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High School Does Ceres ever transit Jupiter?
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High School Data needed - Related bodies and their stats
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High School Projected linear separation between companion stars
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High School Is there a theoretical size limit for a planet?
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High School Could Dark Matter/Energy be the byproduct of annihilation?
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High School Do Satellites and the ISS Use Power to Maintain Attitude Control?
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High School Could Nuclear Powered Bulldozers Create a Habitable Cavity for a Mars Colony?
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High School How did Earth get so far away from other galaxies?
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High School Where Are the To-Scale Diagrams of Alpha Centauri's Orbits?
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High School Meteor detection/prediction: One over Toronto, ON, Canada
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High School Neptune: Beauty Beyond Our Standard Eyes
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High School Highschool Student Struggling to Understand Doppler Effect Paper
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High School Hydrostatic pressure in a bottle of water on ISS
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High School Communication Options With Future Deep Space Probes?
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High School Would the Giant Arc be visible from a hypothetical exoplanet?
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High School Ivuna meteorite from edge of solar system to Tanzania?
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High School Would light travel in a circle at the edge of the observable Universe?
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High School How hot is the Sun in space? (James Webb related)
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High School Could there be macro objects out there that convert energy to mass?
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High School Possible to see the moons of Jupiter/Saturn with decent set of binoculars?
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High School Where is General Relativity Applied and When Does the Oblate Earth Matter?
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High School Can gravitational force have influence on objects at infinitely long distances?
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High School Elbert Another Forgotten Woman who helped advance Science
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High School Distance of Stars / Size of the Universe calculation
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High School What Could Explain the Mysterious Beam of Plasma Seen in the Sky in 2017?
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High School Why does the moon appear tilted?
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High School How's it possible that 70% of Earth receives sunlight simultaneously
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