Astronomy, Astrophysics, Cosmology Forum

Graduate We're 156 Billion Light-years Wide?

Graduate Topological Defects in Cosmology: Research Progress

Graduate Why does Expanding Space have a 2 to 1 Ratio with Contracting Space?

High School Effect of removing helmet in space?

High School Supermassive Black Hole Sings "BOOM" in B Flat

Graduate Are we entering an era of 'Penalty Shoot Out' for inflation?

Graduate What has the initial NOTHING turned into?

Undergrad Why is the spectrum of sunlight similar to a blackbody?

High School Are There Stunning Images of Suns Similar to Ours in Space?

High School Cosmos vs Universe: What's the Difference?

Graduate Impact on Earth if 10% of Io's mass converted to energy

Graduate Radiation from particles falling into a black hole's event horizon

Graduate Is there new research on Hawking's no-boundary universe model?

Graduate Can Type III civilizations manipulate matter at the atomic scale?

Graduate Can General Relativity Explain the Universe's Expansion and Time?

Undergrad What Triggers Hydrazine Decomposition in Space?

Undergrad What happens to stars smaller than ours?

Undergrad What Causes Planetary Nebulae to Form?

Undergrad Evidence against existence of dark matter?

High School Space Ship One (SS1): Breaking the Sound Barrier and Making History

Undergrad Is the Red Shift of Distant Stars Really Due to Cosmic Expansion?

High School If the Earth was a giant metal cube..

Graduate Nonspecialist qstns:ie, massless=no space?

High School What is the nearest supernova candidate (maybe Betelguese?)

Graduate How gravity arises from spacetime curvature?

High School What was the bright flash I saw in the sky last night?

Graduate What happens to a star in orbit around a black hole?

Undergrad Mass vs. orbital distance for 120 detected exoplanets

Undergrad What keeps Sedna and other distant objects bound to the solar system?

Graduate Intergalactic doldrums - flotsam and jetsam

High School What type of binary star is held together by gravity and appears double?

Undergrad Are there advantages to launching space missions from the Arctic/North Pole?

High School Universe Expansion: How Space is Created

Graduate Move something about the size of the ISS

High School What fraction of the universe is made of normal matter?

Graduate Is Spacetime a Dynamic Entity Influenced by Motion and Antimatter?

Graduate Can the Space-Buoy Determine Universal Rest in a Relativistic Inertial Frame?

Graduate Is Cosmos Homogeneous, Isotropic ?

Graduate Is the Universe Bound by the Laws of Conservation?

Undergrad Effect of Antarctic ice melt on Earth's orbit and rotation

Graduate Is Quantizing Spacetime Possible According to the 2nd Law of Thermodynamics?

Graduate Universe as a simple harmonic oscillator

Graduate Can Time and Space has Duality ?

Graduate Two Big Bang Theory Vs Other Theories

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Undergrad Evaluate my brand new program satelite motion around earth

Undergrad Challenges of Life on Extra-Solar Planets: A Review of Latest Findings

High School Why does Venus appear to change direction during its transit across the sun?

Graduate Can Zero Point Energy Explain the Cyclical Universe?

Graduate Shapiro Effect and Gravitational Lensing

Graduate Gravity and Energy Conservation in Stars: Understanding Gravitational Collapse

High School How much fuel does cassini have on board?

High School Distance between Mu Leporis and Nihal for science fiction

Graduate Can We ever Hear Gravity's Music ?

Undergrad Do different dating techniques give conflicting ages for Earth and the universe?

Undergrad Mathematical methods used by Halley and Horrocks for Venus transits

Graduate How important/fundamental is self-similarity in cosmic structure?

Undergrad How did Voyager gravity assists work with incomplete planetary data?

Undergrad How Does Gravity and Center Influence Orbit in Astro-Physics?

Graduate Detailed Mass-Luminosity Relation for Main Sequence Stars

Graduate Oscillating universe and harmonic oscillator

Graduate Did a Pre-Big Bang Species Cause the Big Bang Theory?

Graduate PARALLEL WORLDS to hit shelves in OCT.

Graduate Mars Exploration-is Human Settlement Possible?

Undergrad Odd Black Hole Defies Explanation : space.com

Undergrad Most complex extraterrestrial molecule

Undergrad Temp increase of sun from photosphere to corona

Graduate Red Shift caused by space itself ?

Graduate Analytical approach to minimum distance between elliptical orbits

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Stargazing What's Happening for the June 8th Eclipse of Venus?

Graduate How Did Time Begin After the Big Bang?

Graduate Question-can a neutron star shed mass?

Graduate Where does energy go when created in the universe?

Graduate Modeling a Star: Struggling with Newton-Raphson Technique

High School What periodic motion is used as a reference

Graduate How does a single photon get redshifted by universal expansion?

Graduate Is Our Understanding of Gravity and Entropy Incomplete?

Graduate What happened Before the Big Bang

Graduate Orientation of virtual particle pairs in local fields?

Graduate Does Zero Point Energy Influence Gravitational Effects in Space?

Graduate Size of universe and uncertainty principle

High School How fast is earth moving trough space?

Undergrad Where can I find comprehensive formulas for Celestial Mechanics?

High School Why do all the planets orbit the sun?

Undergrad How Do I Convert the Gravitational Constant to Pixels?

Graduate Analogous Hawking Radiation from Astrophysical Black Hole Accretion

Graduate Can Dark Energy Influence the Minimum Unit of Space in the Universe?

Undergrad Can both planets in a binary system sustain life?

High School Can an Asteroid Really Destroy Earth in 800 Years?