Astronomy, Astrophysics, Cosmology Forum

Graduate Gzk paradox and expanding universe

Undergrad Energy and the end of the universe.

High School Stellar Evolution: A Quick Overview of Star Types

Undergrad Is Jupiter Losing Its Spots?

Graduate The Big Bang: Inside a Singularity

Undergrad Do All Man-Made Solar Satellites Share the Same Orbit Orientation?

Graduate Quark Radius & Big Bang: Christoph Schiller's Force Theory

Graduate Farthest Known galaxy Discovered by Indian

Graduate Why is there no symmetry in space vs. time dimensions?

Graduate Inflationary Theory. Absolute Vacume.

Undergrad How Can Gravity Be Simulated for Space Travelers?

Graduate Are Black Holes Real or Just Theoretical Constructs?

Graduate Was the entire universe a Black Hole for many years?

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Graduate Shape of the Universe: Calibi-Yau 4D Geometry?

Graduate Finite hyperbolic universe and large scale structure patterns

Graduate Making a Black Hole Bomb: Exploiting Superradiant Scattering

Graduate How do General Relativity and the concept of the graviton relate to each other?

Undergrad Why do we believe ultra high energy cosmic rays come from supernovae?

Graduate How is the density of a white dwarf star calculated?

Undergrad What Fascinating Discoveries Await on Titan?

Graduate Is Proxima Cen the nearest star?

Undergrad Experts Call on Senate for Support for Near-Earth Object Search

High School Does anyone hear know anything about phhysics?

Graduate Origin of Matter and the Universe

Graduate Interstellar Medium and Pulsars

Undergrad Can a Bright Flash in Space Help Detect Dark Objects Beyond Pluto?

Graduate Alpha does not vary with time - new study's stringent limits

High School What Causes the Twinkling of Stars?

Undergrad Age of universe compared to age of sun.

Graduate Gravitational field of globular clusters ?

High School Expanding Universe: Matter Growing?

Graduate Did Supermassive Black Holes in Quasars Form Before Those in Galaxies?

Undergrad Good astrophysics schools in california

High School Technical name for 'day' on other planets

Graduate What caused inflation in the big bang theory?

Undergrad Why do celestial bodies orbit in such precise speeds and patterns?

Graduate What Are the Key Questions About Hyperspace Travel in Storytelling?

Graduate Chaotic Milky Way and Dark Matter distribution

Undergrad What is the cause of the mysterious blue band surrounding Jupiter?

Undergrad Discover the Best Books on Celestial Mechanics - Recommendations Inside!

Graduate Gravity: Radiating Energy & Spacetime

Graduate Understand Inflation Theory: Scalar Field & Expansion/Supercooling

Graduate What happens when black holes and dark matter collide?

Undergrad If Today's Phoboday, this must be Mars.

Graduate Matter Exceeding the Speed of Light

Graduate Expert Opinion on Two Big Bangs Theory by Top Indian Scientist

Graduate Can Spacetime Curvature change c ?

Graduate Can photons escape a charged, spinning black hole?

Graduate Accepted value for Omega of radiation energy density

Graduate How are space and time related in the space-time ripple-nipple phenomenon?

Stargazing Can the Hubble Space Telescope Really See 14.5 Billion Years into the Past?

High School Methane on Mars could signal life [now]

Graduate Alternate Explanations for Redshift in the Universe

Undergrad Terraforming Mars? Pros, Cons and Implications

High School Supernova could wipe out all life on earth ?

Graduate How Does Launch Angle Affect Satellite Targeting in Orbital Mechanics?

Undergrad The Mystery of Star Formation: Why Do Gas Clouds Collapse?

Graduate Living on the Inside of a Hollowed-Out Planet: Gravity, Crust Thickness & More

High School NASA Announces Evidence of Briny Water on Ancient Mars - Implications for Life

Graduate Masters of Space: Stop USA Weaponization - A Media Blackout

High School Working on a dossier project for my Java class

Graduate How realistic is the concept of wormholes for space travel?

Graduate Is The Speed Of Light Slowing Down ?

Graduate Earth orbit vs. changing mass of Sun

Graduate Time Travel Theory & The begining of the universe, why life is like a book.

Undergrad How can the distance to nearby stars be calculated using the parallax method?

High School Can You See Light in a Black Hole?

High School Requirements for a habitable planet

Undergrad Program about the birth of the universe

Undergrad How long does a mission to Mars take, including crew stay?

Undergrad Celestial Reflections: How Far Can Radars Reach in Space?

High School What Are the Largest Stars in Our Universe?

Graduate Gravity of Black Holes: What Escapes and What Doesn't?

Undergrad Bomb Explosion in Space: What Would Happen?

Graduate How Does Gravity Warp Space-Time According to Einstein's Theory?

High School Asteroid 2004 FH: Close Flyby and Potential Impact Creates Concern

Undergrad Dark matter affecting galaxy rotation

Undergrad Australian Scientists Confirm Past Life On Mars

Undergrad When is a Planet not a Planet ?

Graduate Is there any research into the possability the universe is a fractal function?

Graduate Confidence Levels: Andrew R. Liddle's Astronomy Centre Paper