Astronomy, Astrophysics, Cosmology Forum

Undergrad Interest in blackholes and whiteholes

Graduate Is the Holographic Universe Theory Still a Valid Concept?

Stargazing Finding Equations for Sun's Eclipse Periodicity

Graduate What are the key challenges facing mainstream cosmological theories?

Graduate Measuring Mass of the Cosmos: Charles Hellaby's New Paper

Graduate An HST Program for the Luminosity Calibration of Type Ia Supernovae

Undergrad Question about relation between galaxies

High School How close is 18 Scorpii, the other solar twin?

Graduate Astronomy Problems: Help Solve Now!

Graduate New Satellite Data On Universe's First Trillionth Second

Graduate Inflation is the rapid acceration of space some time after the BB

High School Speed of Objects in Space - Is It the Same as On Earth?

Undergrad Likelyhood of Extraterrestrial Intelligence

Undergrad Help finding an Aitoff projection of constellations

Undergrad Orbit of almost 1 eccentricity

High School The Earth, Moon and Sun's gavity game.

Graduate The physics of dark matter & energy

High School Is the Universe Larger and Denser Than We Imagine?

High School Can a Moon Have Its Own Moon? Exploring Orbital Possibilities

Graduate Radiation in a Closed/Finite Universe?

Undergrad Galactic Plane Crossings and Mass Extinctions: Is There a Connection?

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High School Is Seeing a Black Hole Possible?

High School The moon doesn`t rotate around it`s axis.

Undergrad Are Images of Space Distorted by Gravity?

Graduate Redshift > 1.46 means Recessional Velocity over C?

Undergrad Is the Vacuum Between Water Molecules the Same as Cosmic Space?

Graduate What are the fundamental constants that govern the properties of our universe?

Graduate Planetary retention of atmospheres

Graduate What is the highest redshift object ever observed in the universe?

Graduate First stars now thought to be 400 MLY after BB?

Undergrad Universe Q: How Far Away Are Objects Seen?

Graduate Understanding Universe Expansion & String Theory

Undergrad Vernal Equinox: Understanding the Yearly Variation

Undergrad Do Other Planets Have Radiation Belts Like Earth?

Graduate Is the Quasar in NGC 7319 Really Inside the Galaxy?

Graduate Empty Nest - possible or not possible aspect of Big Bang?

Undergrad Characteristics of globular clusters

Graduate Compute Tidal Locking Radius: Planet/Moon Area

Graduate Universal Regeneration: Is Expansion Recycled?

Graduate How universal are the laws of physics?

Graduate Cosmological Event Horizon during Inflation

Graduate The Expanding Universe: Calculating Real-Time Distances of Objects

Graduate New WMAP Data: Check Out Figures 20 & 21 on Pages 48 & 49

Undergrad Expanding Universe: Mass or Space-Time?

Undergrad Life on Europa? Complex or Simple?

Graduate Nuclear reactions in AGN accretion disk

High School Farthest Visible Star: Distance & Observation

Graduate Dark matter candidates, what chances would you give them?

Graduate Is the Universe's Expansion Due to a Hidden Spin?

Graduate Universe Expansion: Future of Dark Skies?

Graduate Loop Quantum Cosmology dual to Randall-Sundrum Model

Graduate Is Anything Ever Truly Stationary? A Theoretical Exploration

Undergrad Do All Spiral Galaxies Rotate in the Same Direction from Earth's Perspective?

Graduate What is the Anomaly with Sirius B's Data in Astrophysics Calculations?

High School What is the difference between a nova and a super nova?

High School How Can I Determine Current Planetary Velocities?

High School The most intnse solar strom in 50 years

Undergrad Galactic Frequencies: Info on Frequency of Galaxies

Undergrad The Speed of Change: Centripetal Force

Graduate Tully-Fisher, fundamental plane - what about LSBs, dwarfs, etc?

Graduate The Search for the Perfect Solar Twin: HD 98618

Graduate The view from a ring singularity?

Undergrad Why are Globular Clusters so Metal poor?

Undergrad What force is stronger, Gravity or Magnetism?

Graduate Big Bang: EXPLOSION OF A SUPER MASSIVE B.H

Undergrad Galactic Merger: What Will Happen When Andromeda Collides with the Milky Way?

High School What made the scientists to think about Antimatter

Graduate Calculating Bolometric Correction for Cepheid Variables

Graduate Population III detected at last?

Graduate What is Dark Energy and Why is it a Mystery?

Graduate Watch out, n00b about Black Holes Question.

High School Are cosmic rays considered part of the EMS?

Undergrad Light in Astronomy - Properties & Uses in Observing Objects

Graduate Stephan's Quintet: Spitzer Telescope Views Galaxy Cluster Shock Wave

Graduate What is Information Theoretic Process Physics and its implications?

Undergrad Solar celestial position (as function of latt, long, time of day, date, )

Undergrad How to Calculate the Angle Between Two Celestial Objects?

Graduate Effects of plasma on friedman/fluid/acceleration equations

Graduate Is the Universe Losing Energy Due to the Exchange of Photons?

Graduate How Can Black Holes Defy Einstein's Theory of Gravity?

Graduate Time Dilation and Black Hole Inflation

Undergrad Age of The Universe - Time vs Space

High School Mission To Pluto Uses Jupiter To Speed Up?

High School Hubble discovers two new satellites of Pluto

Graduate Dark matter properties detected using VLT

Graduate Major Access = Averate Distance over Eccentric Anomaly

Undergrad What is a Plummer Sphere Exactly?

Graduate No Dark Energy? New Puzzling Discovery

Graduate Revisiting Dark Matter Estimates in Axially Symmetric Galaxies

Graduate Plasma-Redshift Cosmology: Fits to SNLS Data & Implications

Undergrad Questions of a Newbie: Iron Cores in Stars and Planets