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 How did universe start to expand
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High School See the Diffraction of Moon Light at Night
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High School What is the Direction of Orbiting Planets around the Sun?
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High School Is a Used Telescope a Good Choice for a Beginner Astronomer?
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High School WR104 Gamma Ray Burst: Fact or Fiction?
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High School Will the Moon escape Earth's orbit in billions of years?
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High School Are Quasars Still Present in Our Universe?
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High School How do I calculate light years to years?
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High School Are the planets where we expect them to be
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High School How do spaceships move in space without any propulsion source?
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High School Can We Send a Probe to Proxima Centauri?
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High School Big Bang Theory: Fact or Fiction?
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High School How many arcseconds does Sun travel through sky?
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High School Finite Black Holes? Answers for Xap's Question
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High School Discover the Improbable: The Perfect Conditions for Life on Earth
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High School Can the sun be blueshifted due to Earth's rotation?
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High School Big Bang Theory: Was it Proven Wrong?
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High School Uranus' satellite Miranda question
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High School Is there evidence to support past life on Mars?
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High School Where is the center of the universe in relation to the Big Bang?
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High School Moon & Gravity: Questions & Answers for Beginners
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High School Why the Tides Increase Earth-Moon Distance
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High School The Light From a Star: Comparing Photons & Travel Distance
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High School What radiation can be detected at 1km high from Earth surface?
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High School Moon Connected to Earth: What Happens Next?
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High School Comparing Half Earths: Horizontal or Vertical Shadow Line?
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High School Can I Make My Own Mirror for Astrophotography Using a 6in Blank?
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High School Are there green, purple and pink stars?
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High School Travelling to the other world by sending data
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High School How Can We Visualize the Milky Way From Within?
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High School Understanding Earth's Rotation: The Effects on Telescope Observations
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High School The shape of our solar system's orbits.
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High School How Is Mars' Gravity Determined Without Direct Measurement?
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High School Question about the orbit between Mars and Earth
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High School Is Our Moon Moving Away? The Mystery Unraveled
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High School Why is the Sky Blue? Understanding Rayleigh Scattering Explained
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High School Reasons why LCROSS is a safe mission
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High School Supernova's Gamma Rays and Comets
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High School Difference between Supernova vs. Nova?
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High School Origin of Planets: How Was Our Planet Formed?
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High School Why Can't Space Ships Use Propellers or Jets for Manoeuvrability?
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High School Earth's Movement and Atmosphere with a Black Hole Sun
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High School Mercury not travelling in a straight line?
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High School Galactic Suite and space tourism
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High School Southwest Sky Constellations: Most Recognized Patterns
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High School Why Do We Experience Night in Our Universe?
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High School Space.com says intergalactic hydrogen gas absorbs all optical light
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High School Why is earth's path is elliptical?
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High School So, what are all the known paradoxs in Astronomy?
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High School Energy and momentum flux in the sun and Newton's 3rd law.
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High School Period of Aquila (Latin: 'eagle') constellation
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High School What Can We Learn About the Zodiac Constellations on October 20th?
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High School Why do planets of our solar system orbit in rings not spheres?
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High School Difference between axial tilt and inclination
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High School What is the Law of Gravity and Why Do Masses Attract?
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High School Can Pluto Twinkle Like Stars from Earth?
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High School Question about our solar systems orbital path through the milky way
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High School Why do planets rotate on their axes?
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High School What are the major differences between the 8 planets of our solar system?
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High School Some quesitons about Sun and Earh
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High School Expanding Universe: Galaxies & Matter Explained
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High School Picture of Our Galaxy: How We Captured It
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High School Astronomy vs Cosmology: Understanding the Differences Explained
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High School Double Crater on Google Mars: 19°53'15.38"N 141°40'48.73"E
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High School What Are Some Quick Science Fair Ideas Related to Math and Astronomy?
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High School Center of Our Galaxy - Nebula Orbits & Questions
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High School If all the empty space of atoms were removed, how big would this earth be?
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High School Stars eventually die because they use up their fuel right?
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High School Is Planet X Real and Could It Impact Earth?
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High School What exactly does radio luminosity mean?
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High School Moon's path/orbit - is it changing?
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High School Is Our View of Stars Really a Glimpse Into the Distant Past?
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High School Occultation of Regulus: How Often and Why?
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High School Did You See the Mason Dixon Meteor Streak Across Maryland and Pennsylvania?
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High School Planetary Orbits: Decay or Spiral?
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High School Galaxies that can be seen with the naked eye
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High School Are All the Stars We See Actually Dead?
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High School View 65 Million Years of Time - Time-Travel Viewer
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High School The Reality of Majoring in Astrophysics: Is it Worth It?
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High School Would We Feel Heat Loss If All Stars Except the Sun Went Out?
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High School What is the Case History of Discovering the Speed of Light?
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High School Why Do Jupiter's Moons Orbit in a Plane?
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High School What does Newton's universal constant mean and how is it used?
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High School Green lasers: how much power is too much?
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High School I can't understand why the sun moves across the ecliptic
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High School New Telescope Buyer Seeking Expert Advice
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High School Anchor a tube on earth and slope it all the way into space
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High School What is the composition of a gas giant's atmosphere?
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High School Can You Move a Spaceship By Running and Jumping In It?
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High School Is the moon closer or further away to us than predicted by Newton
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High School Are there any objects between Mercury and the Sun?
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High School Viewing Earth from the Moon - Would it Stay in One Spot?
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High School Has Jupiter Been Bombarded by Another Object?
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High School First broadcast TV satellite's orbit
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High School Why Doesn't the Moon Revolve Around the Sun Instead of Earth?
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High School What Is Time and How Does It Influence the Universe?
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High School What Really Happened to the Apollo Flag?
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High School What Color Would the Sky Be with Different Suns?
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High School Why haven't we launched any artificial satellites that orbit the Moon?
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High School What Can You See with a Small Telescope in Missouri?
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