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 black holes infinitely dense?
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High School Temperature based on colour index using Planck's law
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High School Is the starshade going to be positioned in a fixed location?
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High School Unusual object on video - any explanation?
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High School Wonder-inducing ring galaxy image
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High School I'm a rookie and I have a question about spacetime
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High School Additional Maths: Essential for Astronomy?
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High School Gravastar vs. Neutron Stars: A New Theory for Black Hole Formation?
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High School Is 'Oumuamua an Alien Spaceship or Just a Cosmic Coincidence?
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High School How did Jupiter and Saturn disrupt our solar system
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High School Can we identify the centre of the Universe?
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High School New Topographic Map of Saturn's Moon Titan Reveals Liquid Flows
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High School What is the true width of the Milky Way galaxy?
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High School History of RA [why is the vernal equinox used?]
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High School Is a Black Hole Really Waterproof?
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High School Distance between the Earth and The Moon
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High School Are Black Holes Actually Giant Neutron Stars Cloaked in an Event Horizon?
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High School What's the deal with dark matter
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High School Can the Solar System's Chaos Lead to Earth's Sudden Demise?
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High School How do astronomers find the "parallax angle" of a star?
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High School Unitarity and Entanglement: Examining the Fate of Information in Black Holes
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High School Optical eyepieces for star observations
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High School Are there any SPH planet collision simulators?
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High School How did this Black Hole come to exist?
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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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High School Can the Sirius Star System Support Physical Life Amidst Its Unique Conditions?
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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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High School Dark matter not found in globular clusters orbiting MilkyWay
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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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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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High School Could a brown dwarf passing through our solar system ignite Jupiter?
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High School Is a planet's crust distinct from mantle because ....
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High School Do Black Holes Exist? Maths & Singularity Explained
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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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High School Should we search for non-biological "life"?
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High School Apparent magnitude / absolute magnitude / luminosity
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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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High School How Do Electromagnetic Stellar Gravity Waves Simulate Sound at LIGO?
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High School Telescope and Stopwatch for the Mass of a Planet
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High School We could lose electricity and satellites due to solar flares
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High School Is the Edge of the Universe Defined by the Cosmic Microwave Background?
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High School The star's core cannot withstand its own gravitational force?
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High School Dark matter and SMBH orbital decay
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High School Ring Found Around Pluto Neighbor Haumea
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High School The Factors affecting the Orbitals of a moon
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High School Ball Lightning and Stars: Unveiling the Spectral Similarities
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High School Time Lapse of Supernova SN1987A - 30 Years in Under a Minute
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High School High School video project: What is Gravitational Lensing?
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High School Astronomers' Opinion on Wow! Signal: Evidence of ET?
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High School What is difference between platenary core, mantle & crust?
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High School We have kittens in orbit around Saturn
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High School Where Can I Find the RA and Dec of the V1 Star?
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High School What are the mystery lights in the sky and how can you identify them?
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High School Does the Singularity Really Exist Beyond the Standard Model?
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High School A terrestrial, temperate planet around Proxima Centauri
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High School Is there a way to prove that men have gone to the moon
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High School Understanding Black Body Radiation and the Sun's Color Temperature
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High School The Most Primitive Star-Forming Galaxy Ever Found
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High School Could we shade the Earth from the Sun to save Earth?
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High School How does the earth's magnetic field stop radiation?
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High School Miscellaneous Trivia: Planets and Moons
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High School Can Optical Interferometers Extend Beyond 1 Light Second in Length?
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High School Collision of Stars: How Often & How Many?
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High School What do you think of the new names for features on Pluto
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High School Pale Blue Dot Project: Img. Earth-Like Planet w/ 18" Mirror?
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High School Uranus's Moon Cressida is Doomed
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High School Why does the Moon sometimes seem red?
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High School What Theories Explain the Nature and Changes of Space?
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High School See Asteroid Florence Tonight in Frankfurt Germany
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High School A Hypothesis To Observe The Formation Of Earth
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High School Most detailed picture of Antares
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High School What factors determine the timing of a solar eclipse?
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High School Asteroid Florence will soon pass Earth
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High School Why Didn't the Earth Go Dark During Today's Solar Eclipse?
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High School Is it possible to see sunspots with the unaided eye?
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High School If spacetime can be bent can it be broken?
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High School Capture in a 2-body system (not)
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High School Question about the shape of the Universe
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High School Goldilocks zones of other parameters
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High School A thought on the expansion of the Universe
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High School Our galaxy hosts millions of Black Holes
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High School Can gravitational waves interfere with each other?
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High School Would we be able to completely stop time?
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High School Space Stationary Orbit: Possible to Park Ship for 1 Year?
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High School Why don't galaxies obey gravity?
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High School Picture of "very" blue galaxy, good place for super nova?
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High School Help me understand light traveling through vast distances in space
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High School Can someone please identify what I saw? (lights in the night sky)
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High School Distance between two orbiting bodies
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High School How can light travel around an object in space?
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