Astronomy, Astrophysics, Cosmology Forum

Graduate How the calculated total velocity derived ?

Undergrad Is redshift the only evidence for cosmic expansion?

Undergrad A simple explination of why clocks move faster in space

Stargazing Spitzer Telescope spies 'youngest' planet

Graduate What happens when you turn on the light in a simple thought experiment?

Undergrad What Would a Martian Calendar Look Like for Well-Established Colonies?

High School Can daytime weather predict clear nights for stargazing?

Graduate Superconductive Planck/Scale Space

Undergrad Calculate the gravitational field of a object

High School When will the stars die out?

Graduate Have Cosmologists Determined the Total Mass of the Universe?

Undergrad What are the Characteristics of Short Gamma Ray Bursts?

Graduate Entering the Sphere of Influence

Graduate Why did Pioneer 10 have an anomalous acceleration toward the Sun?

Graduate And the question remains, is our Universe really a Hologram?

Undergrad Understanding Galaxy Formation and the Factors Influencing Their Size

Graduate Virtual particles and cosmological expansion

Undergrad Looking for a *3D navigable* star map.

Undergrad How Can I Simulate a Star Collision on a Computer?

Graduate Can the Hubble Expansion Explain the Mechanism of Gravity?

Undergrad Neutron stars seem an oddity to me

Graduate Is space-time a lattice or continuum?

Graduate Geosynchronous station keeping

Graduate Spaceships a'turnin round and round - in space

High School What Substances Exist in the Atmosphere of Our Galaxy?

Graduate How much is space actually bent by mass?

Undergrad Why can't we go to the center of the galaxy?

Undergrad Do Titan and Saturn's gravity keep the rings from collapsing?

High School Can Time Travel Really Happen Through Black Holes?

High School Is There Software That Can Connect My Meade LX200 GPS Telescope to My PC?

Graduate Is the Universe Finite or Infinite?

High School Can Large Meteors Really Fall Directly on Me?

Graduate Is the Big Bang Theory Confusing the Concept of Singularity and Black Holes?

High School How to measure the Distance from Earth to Sun?

Graduate Is the total spin of the universe zero?

Graduate Non-uniform universe model with expansion and simultaneous compression

High School How Can We Determine if a Star is Still Active or Already Dead?

Graduate Is the Big Bang Theory Suppressing Alternative Cosmological Ideas?

High School Could Mars Have Lost a Large Moon?

Graduate What Comprises the 5% of Visible Matter in the Universe?

High School Why doesn't the Sun move like planets, and why does it stay hot?

Undergrad Would a math minor help an astrophysics major?

High School Falling Stars not beyond my interests.

High School What Substances Exist on Stars and How Did They Form?

High School Some other curious questions about stars

Graduate Angular momentum in close binaries

Undergrad Methane On Mars (Keeps Increasing)

Graduate Is the Accelerated Expansion of the Universe Shrinking Our Visible Universe?

Graduate What are the Consequences of Non-Uniform Expansion?

Graduate Do you follow theories about colliding braneworlds?

Graduate Is the Friedmann Paradox Solved by the Concordance Model?

Undergrad What is the calculated mass of a post supernovae star

Graduate Is Spacetime a Closed Volume or a Convoluted Surface?

Graduate Is the Thermal Background of the Universe opaque for certain waves?

High School Size of the Moon: Is It Really Different?

High School Why Does Starlight Still Shine Brightly in the Sky?

Graduate Is Dark Energy's Constant Density Indicative of a Larger Expansive Substance?

High School What is the difference between dark matter and planets?

Graduate How do black holes exhibit varying masses and event horizon radii?

Graduate Uneven expansion of the universe?

Graduate Tough stuff the universe is like a crystal

Graduate How stable is the CMBR map over time?

Undergrad Massive stars shredding gas and dust clouds in DR21

Undergrad First image of a planet orbiting another star

Graduate How Do Gravitons Influence Star Velocities in Spiral Galaxies?

• Poll

High School What Are the Best Websites for Learning About Space?

Stargazing Astrophotography with Afocal Method: Tips for Better Results

High School Looking for Easy-to-Understand Articles on Dark Matter?

Graduate Directional issues with the big bang model and looking back in time

Graduate How Can We See Light from Before the Big Bang?

Graduate 2 N-Dimensional Space Intersection

Graduate Is Our Universe a Three-Dimensional Hologram?

Graduate Doesn't every particle distort space-time?

Graduate Closer to the Monster - supermassive black hole

Graduate Is Gravity Capable of Repulsive Forces?

Graduate Is Dark Matter a 'Pressure' caused by something 'outside' of the Universe?

Graduate What is the Justification for Using Only 4 Dimensions to Explain the Universe?

High School Equipment and methods to detect cosmic rays at home

Graduate What Defines the Limits of Anomalous Planets?

Graduate Cosmic microwave background radiation

Graduate Did Moses Predict the Big Bang Theory?

Undergrad Methane Everywhere (I Told You All)

High School Can Life Travel to Other Worlds From Earth?

Undergrad How long would a day need to be for zero apparent gravity at the equator?

Undergrad How Accurate is the Current Value for 1 AU?

Undergrad The angular size of stars - prac astronomy