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 Understanding Reddening and Its Impact on Light Scattering in Astronomy
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High School Ever seen a full moon in the daytime?
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High School Sky Shade Shift: Does Color Change at Latitudes & Altitudes?
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High School What's Behind the Shadow of a Crescent Moon?
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High School Sun Transit Time: Toronto vs Boston
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High School My first thread here, about constellation
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High School Beginner's Guide to Astrophysics: Get Started Now!
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High School How Did 19th Century Astronomers Measure the Distance to the Sun?
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High School Is the cosmos invisible to the unaided eye?
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High School What Does It Mean When We Say Our Universe Is Expanding?
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High School Astronaut's Experience Orbiting Earth at 11K mph
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High School Sunrise from West: The Possibility of a Planetary Shift
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High School Can the Speed of Light Change or Increase?
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High School How Can Beginners Understand Magnitude and Latitude in Astronomy?
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High School Skywatcher 5.1 parabolic reflector for DSO?
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High School Are There "Moons of Moons" in the Solar System?
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High School Why do Earth, Moon, and Venus have different numbers of craters?
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High School Could This Be the First Photo of an Extrasolar Planet?
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High School Do nearby stars have an effect on the Sun and its planets?
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High School Creating a VB6 Orbit Simulator: Tips & Advice
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High School What kinds of space rays are detectable on earth
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High School Planets Orbit Sun: Why Same Direction?
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High School Possible terrestrial extrasolar planet found
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High School Question: Jupiter and Saturn at 200x?
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High School You Are the Centre of the Universe
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High School Expert Help on Understanding Seasons with Perpendicular Earth's Axis
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High School Weightlessness in the Center of The Earth?
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High School Why do Mercury and our Moon not spin?
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High School What Does Newton's Gravitation Constant Represent?
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High School The Solar Phenomena: Prominences, Flares, and CMEs
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High School Why does light travel at light speed?
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High School City-Sized Asteroid to Pass Earth This Fall
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High School The Colors of Stars: Why Are Some Red and Others White or Blue?
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High School Is Research on Gravity Lifts a Step Towards Defying Gravity?
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High School Hubble hit by instrument failure
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High School Why Are We Orbiting Earth Instead of Landing on the Moon Again?
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High School Determining a Planet's Age Based on Mountain Ranges
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High School Explaining Singularity: A Beginner's Guide
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High School Planet formation DOES happen in slow motion
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High School Odds of Earth Impact vs Winning Powerball
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High School Astronomy Club: A Student's Adventure in Learning
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High School Discover the Fascinating Origins of Earth's Magnetic Field
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High School Do Black Holes Rotate and Explode?
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High School Space probe transmiting a pic to Eart
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High School Pull of Gravity.Where it starts?
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High School How come the moon is circling the earth?
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High School Did the Cassini-Huygens Mission Discover New Moons Around Saturn?
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High School Why can't we see Venus at night but at dawn and dusk?
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High School Effect of removing helmet in space?
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High School Supermassive Black Hole Sings "BOOM" in B Flat
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High School Are There Stunning Images of Suns Similar to Ours in Space?
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High School Cosmos vs Universe: What's the Difference?
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High School Space Ship One (SS1): Breaking the Sound Barrier and Making History
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High School If the Earth was a giant metal cube..
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High School What is the nearest supernova candidate (maybe Betelguese?)
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High School What was the bright flash I saw in the sky last night?
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High School Understanding Binary Stars: Types and Definitions
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High School Universe Expansion: How Space is Created
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High School Universe Ingredients: What Makes Up Our Universe?
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High School Venus Transit: Why Does It Look Like It Changes Direction?
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High School How much fuel does cassini have on board?
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High School Help Distance between Mu Leporis & Nihal?
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High School What periodic motion is used as a reference
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High School How fast is earth moving trough space?
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High School Why do all the planets orbit the sun?
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High School Can an Asteroid Really Destroy Earth in 800 Years?
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High School Predict Clear Skies: Easy Ways to Forecast Stargazing Nights
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High School When will the Stars Die Out? - What Makes It?
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High School What Substances Exist in the Atmosphere of Our Galaxy?
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High School Can Time Travel Really Happen Through Black Holes?
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High School Is There Software That Can Connect My Meade LX200 GPS Telescope to My PC?
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High School Can Large Meteors Really Fall Directly on Me?
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High School How to measure the Distance from Earth to Sun?
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High School How Can We Determine if a Star is Still Active or Already Dead?
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High School Could Mars Have Lost a Large Moon?
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High School What Are Some Mysteries Surrounding the Sun?
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High School Falling Stars not beyond my interests.
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High School What Substances Exist on Stars and How Did They Form?
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High School Some other curious questions about stars
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High School Size of the Moon: Is It Really Different?
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High School Why Does Starlight Still Shine Brightly in the Sky?
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High School Dark Matters vs Planets: The Mystery Unveiled
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High School What Are the Best Websites for Learning About Space?
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High School Looking for Easy-to-Understand Articles on Dark Matter?
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High School Cosmic Ray Detector: Equipment & DIY Builds
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High School Can Life Travel to Other Worlds From Earth?
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High School Round or Not: The Shape of Planets and Stars Explained
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High School How Was the Parsec Calculated?
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High School Oort Cloud: Confirmed or Hypothetical?
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High School Stellar Evolution: A Quick Overview of Star Types
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High School What Causes the Twinkling of Stars?
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High School Expanding Universe: Matter Growing?
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High School Technical name for 'day' on other planets
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High School Methane on Mars could signal life [now]
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High School Supernova could wipe out all life on earth ?
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High School NASA Announces Evidence of Briny Water on Ancient Mars - Implications for Life
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High School Working on a dossier project for my Java class
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High School Can You See Light in a Black Hole?
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High School Requirements for a habitable planet
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High School What Are the Largest Stars in Our Universe?
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