Astronomy, Astrophysics, Cosmology Forum

Graduate Distance to See One Star: Current Tech & Laws

Undergrad Gravitational lensing and Dark matter

Undergrad How Far Can We See the Brightest Known Star?

High School Global warming and solar actvities

Undergrad The Mystery of Earth's Rotation & Revolution

Undergrad Mercury: Why Doesn't it Vaporize Away?

Undergrad So , we don't know how universe began?

High School How Will the Universe Ultimately Meet Its End?

High School Matter combined with Antimater question

Undergrad Telescope Size and Distance: Do We Need Four Times the Diameter?

Graduate Would the night sky still be dark with 2mm-sensitive eyes?

Graduate Cepheid Stars & the Hubble Parameter: What is Their Role?

Graduate Is the Friedmann equation derived ONLY from the Einstein Field Equations?

Graduate Can Two Infinitely Sized Objects Exist in an Infinite Space?

High School Can black holes and alien invasions explain the Tunguska event?

Undergrad Do black holes interact with dark matter/energy?

Undergrad Developments in Space Exploration

High School Discovering the Sun's New Twin: HD 101364

Undergrad Can the Speed of a Gamma Ray Burst Exceed the Speed of Light?

Undergrad Is Earth's Orbit Shifting?

Graduate Expanding and Accelerating Space in Layman's Terms

Graduate Limitation to mass of currently forming stars?

Graduate Absence of Jupiter: Accretion Effects & Impacts on Earth

Graduate Do new bits cause the expansion and acceleration of the Universe?

Graduate Numerical Fourieri Analysis of a GRB light curve

Undergrad Limb Darkening Coefficients Calculation: Understanding Bandpass Selection

Undergrad Moon Destruction: What Would Happen to Earth?

High School Are new planets and stars still forming?

Undergrad What accounts for the expansion of the Universe accelerating?

Graduate What would the largest anti-matter object be?

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Undergrad Space Vehicle Patent: Is Electromagnetic Propulsion Possible?

Undergrad Size Universe: Radius 13.7B Years Old?

High School Gravity in Space: Why is Zero Gravity?

Undergrad Has Anyone Used a FITS Library for Extracting Galaxy Coordinates in C++?

Graduate Is the Friedmann expansion the ultimate 'free lunch'?

Graduate Disproving Kepler's Law: Evidence from Earth's Orbit

Undergrad What are some other theories about dark matter and dark energy?

High School Measure of elevation of Antares at 30minute intervals

Graduate Sun's Normalcy: Is Less Nuclear Burning Possible?

Graduate Nonrelativistic perihelion drift, best references ?

Stargazing Telescopes: what can you see without CCD?

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High School Is There Life on Mars and How Does Water Play a Role?

Graduate Questions about Light: C+ Universe Expansion, Radiant Energy Transfer

Graduate Uncovering the Mystery of Millisecond Pulsars: Surviving Against All Odds

Undergrad What is the capacitance of the sun?

Undergrad Dark Matter & Dark Energy: Unfound Cosmological Science

Graduate Formation of Neutrons in Collapsed Stars

Graduate Why our time dimension is about to become space-like

Graduate Is it helpful in formulating theories to assume the opposite of what we see?

Graduate Electricity and Birkeland currents in space

Graduate Can Energy Density in Deep Space Vacuums Be Measured?

Undergrad How did the heavier elements form?

Undergrad Angle viewed form erath between sun and planet.

Undergrad What is Meinel System and OH Meinel Emission Bands?

Graduate Can Light Escape the Boundaries of the Universe?

Undergrad Mean Orbital Separation Question

High School Is a Larger Dimension Required for the Universe's Expansion?

Graduate Interpretation of dark energy and gravity as the same thing

Undergrad The First Sputnik: How Was Geocentric Orbit Achieved?

Undergrad Moon's orbit & length of day/month

Undergrad Airship Rotating Earth: Can it be Done?

Undergrad Search for Astrophysics Objects in Comprehensive Database

Stargazing Check the profile of a telescope mirror

Undergrad What is the evidence and history behind the Big Bang Theory?

High School Distance from Sun to outside galaxy?

Undergrad Do Supernovae Emit Gamma Rays in All Directions?

Graduate Calculating Dark Matter's Acoustic Peak Resonance: A Homework Assignment

Graduate What Theories Are Impacted by the New Discovery About the Magellanic Clouds?

Undergrad Orbits: explicit r(t) and theta(t)

Graduate Believing in an Infinite Universe: Reasons Explored

Graduate What Are the Minimum and Maximum Limits for Gas Giants and Terrestrial Worlds?

Graduate CRIRES (VLT) Radial Velocity Sensitivity

Graduate Is There an Exact Equation for Transit Time Calculation in Extrasolar Planets?

Undergrad Law of conservation of Energy please explain how it is

Graduate Can Dark Energy Be Tested in a Lab Using Superconductors?

Stargazing Build a Powerful Telescope at Home | Tips and Tricks for Optimal Magnification

Graduate Parallel universes make quantum sense?

Undergrad Questions About the Flat Universe: Answers Inside

Graduate Explaining Universe's Fate with Thermodynamics

Graduate Lunar Space Elevator: Is a Rocketless Trip Possible?

Graduate Harnessing Comets for Planetary Colonization

Stargazing What beginner telescope should I buy for under $150?

Undergrad The Earthly Risk of Rogue Black Holes

Graduate Is the Big Bang Actually a White Hole?

High School How Do You Prevent Telescope Lenses from Fogging Up in Humid Climates?

Undergrad What is the Role of Plasma in Solar Flares?

Graduate Uniqueness of Bojowald's Bounce in the Multiverse

Undergrad What is the significance of inverse meters in astronomy calculations?

Graduate Explaining the Quantum Mystery: Are Parallel Universes the Answer?

High School Traveling at c, how long to the edge of the solar system from earth?

Undergrad How Have Advances in Cosmology Progressed Since Einstein?

Graduate Supernova Distance Debate: New Evidence from Astrophysics Research by H. Arp"

Graduate Our skewed perception of galaxies