Astronomy, Astrophysics, Cosmology Forum

Graduate What Insights Does a Black Hole Simulation Provide?

Graduate Dark Matter/Energy: Adjusting Science to Fit Math?

High School Are Black Holes Destroying Our Galaxy? The Truth About Galaxies and Black Holes

High School Why Doesn't the Moon's Gravitational Pull Affect Lakes or Cups of Water?

Graduate Are time flow equally in universe?

Graduate What is a Euclidean Wormhole? | Ask Your Question

Undergrad Meteor Trajectory: Can it Fall Straight Down?

Graduate Density of dark matter in milky way

Graduate Unravelling the Mysteries of Space and Light

Graduate Expansion-based cooling during Big Bang

Undergrad Average distance form earth=384,403,000 meters

Graduate Flat Velocity Curve: Newton vs MOND Theory

Graduate A universe that supports intelligent life is likely to

Graduate Discussing Gliese 710's 86% Chance of Hitting the Solar System

Stargazing XT10i and a Orion Skyview pro 120mm refractor

Undergrad Determining a Safe Distance from a GRB

High School The big bang theory and why i think its wrong

Graduate Extrasolar Planets: Questions & Answers

Graduate Help Calculate Velocity of Supernova Remnant Knot

Stargazing Suggesting a beginners telescope

Graduate Does the Cosmic Coriolis Effect Influence Galaxy Spin Direction?

Graduate Could Gravitons Be the Missing Link to Understanding Dark Matter?

High School CERN and Switzerland Prevail: Celebrating a Historical Moment!

Graduate Big-bang versus observational event horizon

Undergrad Big Bang: Has Universe Always Been Expanding?

Graduate Understanding the Relationship Between the RW Line Element and Universe Density

Undergrad What Makes Living in a Spaceship Without Gravity So Unique?

Undergrad Mathematics & Astrophysics: Importance & Overview

• Poll

Undergrad Accuracy of the exploding asteroids in The Empire Strikes Back movie

Graduate Direct observation of early universe's higher density

Graduate Cosmological Constant: Why Lambda Units are 1/m^2

Graduate Could Hydrogen and Helium Be the Key to Dark Matter and Dark Energy?

Graduate Harvesting Asteroids: Soft Landing Nickel/Iron Megaton on Earth?

High School Clarification about gravity and floating in space

Graduate Orbit around the Galactic Center

High School Dsitribution of Stars and Galaxies?

Graduate Intro, and a couple of questions

High School What was earth like 200,000 years ago?

Graduate CMB: L to Angle Conversion Simplified

High School Do Most Stars Have Orbiting Planets?

Undergrad How do I map a celestial object's declination ?

Graduate Could anything else cause redshift?

High School S: Understanding Space-Time Confusion

Undergrad Blue Shift & Red Shift: Explaining the Universe

High School How much closer was the Moon say 200,000 years ago?

Graduate What are Kruskal-Szekeres Coordinates in Relation to a Static Black Hole?

Graduate Are Galaxies at the Edge of the Universe Concentrated in One Area?

Graduate Derivation of Earth's Precession: Sun's Torque & Causes

Graduate Exploring Supermassive Black Holes: Understanding Orbiting Stars and Gravity

Graduate Can Dark Matter Evaporate in Black Holes? A Theoretical Problem

Graduate Cyclic Universe: Exploring the Theory of Multiple Big Crunches and the Big Rip

Graduate Theoretical and actual limits to electromagnetic frequencies?

Graduate Is Space Pushing Galaxies Apart in the Expansion of the Universe?

Graduate Deterministic Universe (3 propositions)

Undergrad How Far from a Gamma Ray Burst to Match Solar Radiation at Earth?

Graduate Is Life on Jupiter's Moons More Probable Than on Earth-like Planets?

High School Why is the Earth hotter in July and cooler in January?

Graduate Cosmic Microwave Background Origin

Graduate Past eternal universe in inflationary models

Graduate Circular Polarization and the Search for Semi-Intelligent Life

Graduate Why do we Need a Unified Theory?

Graduate Solve CMB Peak Wavelength & Quark Fates | Astronomy Problem Help

Graduate Is My Understanding of Light Spheres in A Brief History of Time Correct?

High School Unveiling the Mysterious 'Black Star': New Astronomical Discovery

Graduate Stellar Pancaking, anyone familiar with it?

High School What Does Our Solar System Rotate Around?

Undergrad Galactic Center Wobble: A Look at the Dynamics

Graduate Would a graviton follow the geodesic?

Graduate Understanding the Physical Significance of 'a' in Kepler Orbit Equation

Graduate How do vortices help astronomical structures to form?

Undergrad The Everlasting Cycle of the Universe

Undergrad Advice for amateur (Matter/Space)

Graduate State of knowledge of dark matter distribution vs Fermi Paradox:Zoo

Undergrad Food for thought, is law of inertia wronghum

High School Picturing Galaxies: How We Capture Outer Space

Graduate Creating Matter from Energy: Is It Just Theoretical?

Graduate The Universe: 4 Forces Constant Forever?

Graduate Three Body Problem - Earth, Sun, and Moon

Graduate Curvatue Cosmology for a static stable universe

Graduate Proving that there is one center of the universe.

Graduate Three Questions About Energy-Mass Equivalence

Undergrad Earth's Axis: What is Figure Axis & Have Astronomers Had to Readjust?

Graduate Is Zero Gravity in Space Just a Big Free Fall?

High School Protecting Telescopes from High Humidity: A Practical Solution?

Graduate Can Supernovas Disrupt Entire Stars Without Remnant?

Graduate Inflation and Assuming the 'just so'

Undergrad What drives the magnetic field of Earth and how does gravity play a role?

Graduate Capturing Light Leaving Its Source: Is it Possible?

Graduate The Origin of the Universe: A Matter of Energy and Motion?

Graduate Looking back in time to the big bang

Graduate Calculate Redshift Where Radiation and Matter Energy Densities Equal

Graduate What is Dark Matter? - Learn Its Properties & Particles

Undergrad Why Is Helium Important in the History of Star Formation?

Graduate Understand Time Measurements After Big Bang

Undergrad Can the Sun Appear to Revolve Around the Earth from Certain Points in Space?

Graduate How Can I Improve the Accuracy of My Geostationary Orbit Propagator?

High School Could Traveling Against the Earth's Rotation Cause a Sunset-Sunrise Reversal?

Graduate Calculating age of the universe using redshift?