Astronomy, Astrophysics, Cosmology Forum

Graduate Dark Energy's effect on the curvature of space time

Undergrad Neutron star: heaviest teaspoon of matter

Graduate What defines strong vs weak orbital resonances?

Graduate Does Gravity Violate the Cosmo Speed Limit?

Graduate Will the universe end in a Big Crunch or a Big Rip?

Graduate How Does Black Hole Entropy Increase When Starting with a Pure State?

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 main problems with mainstream cosmological theories?

Graduate Measuring cosmic mass using the maximum areal radius

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

Undergrad Why do galaxies form spiral structures instead of radiating from the Big Bang?

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

Graduate Five star luminosity, lifetime, distance and magnitude problems

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 Aitoff projection of constellations in galactic coordinates

Undergrad Orbit of almost 1 eccentricity

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

Graduate Is dark matter a perfect black body and can we study it with physics tools?

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

High School Can a moon have its own moon?

Graduate Radiation in a Closed/Finite Universe?

Undergrad Does the solar system cross the galactic plane in a regular cycle?

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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 Why does the vernal equinox date vary between March 20 and 22?

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 How to calculate current distances of galaxies accounting for expansion

Graduate WMAP three-year data shows Omega parameter near 1.04

Undergrad Expanding Universe: Mass or Space-Time?

Undergrad Life on Europa? Complex or Simple?

Graduate Nuclear reactions in AGN accretion disk

High School What is the farthest star visible by telescope?

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

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

Graduate Will the expanding universe eventually make all stars disappear from our sky?

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 What frequencies do individual galaxies emit?

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 Could the Big Bang have been a black hole explosion?

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 How light properties help detect and observe astronomical objects

Graduate Interpreting the green arc in Spitzer's image of Stephan's Quintet

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 possible new moons around Pluto

Graduate Dark matter properties detected using VLT