Astronomy, Astrophysics, Cosmology Forum

Graduate Is Space-Time Lattice or Continuum: What Are the Implications for Physics?

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 Questioning Saturn's Rings: Debunking the Myth of a Young Universe

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 Truly Zero or Is There More to Explore?

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 What Are Some Mysteries Surrounding the Sun?

Undergrad Benefits of a Math Minor for 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 Discussing Braneworld Cosmology & Its Collisions

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 Dark Matters vs Planets: The Mystery Unveiled

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 Found in Spitzer Reveals Hidden Cloud

Undergrad First Photo of planet circling another star

Graduate How Do Gravitons Influence Star Velocities in Spiral Galaxies?

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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 Unraveling the Big Bang: Common Sense Questions and Ideas

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 Cosmic Ray Detector: Equipment & DIY Builds

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 Equator Day Length for Zero Gravity: What's the Answer?

Undergrad How Accurate is the Current Value for 1 AU?

Undergrad The angular size of stars - prac astronomy

Graduate Is the Particle Horizon Calculation Affected by Inflation?

High School Round or Not: The Shape of Planets and Stars Explained

Graduate Can Planck Time Explain the Age of the Universe?

Graduate Is There an Equivalence Between Fundamental Forces and Spacetime Geometry?

Undergrad Does an infinite universe effect an infinite outlook?

Undergrad Does Earth's Size Affect Your Weight?

High School How Was the Parsec Calculated?

Undergrad Educational value of going through a Hoagland webpage?

Graduate Can Black Holes Increase Their Mass According to Remote Observers?

Graduate Harnessing the Power of Dark Energy

Undergrad Expanding universe and absolute zero

Graduate Mystery Before The Big Bang Unfolded

Graduate Accelerated expansion and its rate

Graduate Could There Have Been Two Big Bangs?

Undergrad Calculating Solar Sail Size for Propulsion Against Sun's Gravitational Force

High School Oort Cloud: Confirmed or Hypothetical?

High School Is the Big Bang Theory Really Wrong?

Graduate Ultra Deep Field raises questions

Graduate Is information lost in a black hole?

Graduate Confused about a part in The Elegant Universe

Graduate How Do We Differentiate Between Relativity and Doppler Redshift?