Astronomy, Astrophysics, Cosmology Forum

Graduate What Are the Mysteries Behind Gravity and Its Theoretical Perspectives?

Undergrad Direct Observation: Finding Earth-Sized Exoplanets and Their Habitability

Graduate In 1998 Hubble volume meant a cube 12 billion LY on a side

Graduate Early planetary formation thought

Graduate Is Photon Energy Lost or Conserved in Cosmological Redshift?

Graduate What Secrets Do Solar Rings and Shadow Matter Hold?

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Graduate The Hawking wattage of a black hole

Graduate The principle of least action/time, and geodesics of spacetime

Undergrad What is a Hubble Volume? Understanding the Concept and Its Significance

Graduate Radius of cosmological mass-energy symmetry?

Graduate Can the Infinite Time Theory Be Refuted in Cosmology?

Graduate What happened before the Big Bang?

High School This seems kind of weird, but is there really no such thing as gravity in

Undergrad Photon structure - light decyphering

Undergrad Unveiling the Mystery of Comet Tails: The Role of Drag Factor

Graduate A great 16 page paper in quantum cosmology

Graduate Nything beyond the known universe boundaries?

Graduate Dimensionless cosmology-getting rid of units

Undergrad Big Bang & Universe: Why No Bubble w/ Void?

Graduate Understanding the Concept of False Vacuum: Explained and Debunked

Undergrad Age of Universe: Transit Time & Calculation

Graduate Has anyone considered an anti space ?

Graduate Are Refinements to Newton’s Calculations Necessary?

Graduate What is the weight of a copy at Earth's average distance from the sun?

Graduate Jong: "Eternal Recurrence Theory: Debunking the Infinite Universe Hypothesis

Graduate Several reason for doubt in reality of BB.

Undergrad Is There a Reason for the Unique Shape of This Galaxy?

Graduate The Physics of Immortality: Fact or Fiction?

Graduate What does one calorie per cubic mile mean to you?

High School Is Interstellar Travel Feasible with Current Physics?

Graduate What are your ideas about describing Planck units?

Graduate What Makes Black Holes the Ultimate Mystery of Absolute Zero?

Graduate Reasoning behind the big bang theory

Undergrad S.A.R.S Could this be the result of inbound Particles

Graduate Alternative forms of the Friedmann equations

High School Anybody know the name of this mission?

Graduate Could Suicidal Black Holes Evolve Due to Their Charge and Hawking Radiation?

Undergrad Light Acceleration Near Black Holes: The Effects on Gravity

Graduate If you go fast enough will you turn into a black hole

Graduate Are there more than two types of charges in spacetime?

Graduate (Not folding space) Instant Travel Form A-B? But Not Time (theory)

Graduate Can Inflation Theory Explain the Curious Behavior of Gravity?

Undergrad Galaxy Movement and the Big Bang Theory Explained

High School Measuring the Size of the Milky Way: From End to End

Graduate Quanitized Space & Black Hole Formation

Undergrad Understanding the Solar Calendar: The Debate over Leap Year Frequency

High School How far does the earth travel in one year?

Graduate Why do galaxy clusters form sheets?

Graduate Is the Level I Multiverse the Most Popular Cosmological Model Today?

Graduate Why 1 dimensional discrete space?

Graduate It's Official-The Universe is Absurd

Graduate What is the importance of hadronic matter in physics?

Undergrad Einstein's Cross: Examining the Impact of Lensing Galaxies

Undergrad Question about Finding Mass of Visual Binaries with Given Information

Graduate Electrons in intergalactic space.

Graduate Cosmology Q: Is Flat Universe w/ Dust & +ve Lambda Expanding Forever?

Graduate Philosophy of Nature. Time and Space

High School What Are the Key Physics Concepts Behind Colliding Stars?

Graduate IN the Future Blackholes or Wormholes

Graduate So, Is the gravity of a light emmitting star really decreasing as 1/r?

Graduate Speed of Gravity = c: Does Traveling at C Affect Gravity?

Graduate Do Black Holes and Wormholes Affect Time and Space Similarly?

Graduate Is there a prediction for the frequency of a gravity wave?

Graduate Challenge - A problem in astronomy

Graduate Is Everything a Form of Positive and Negative Space in Matter?

High School Which Voyager spacecraft traveled further: 1 or 2?

Graduate Skinny galaxy harbors massive black hole at core

Graduate A universe with no beginning or end

Graduate Black hole event horizon as surface of spacetime symmetry

High School Is There a Giant Black Hole at the Centre of the Universe?

Graduate Rivers & whirlpools of spacetime

Graduate Is this why solar systems are flat?

High School 200,000 years for 1mg of antimatter?

High School Europa and the possibilty of habitibility

Graduate What is the role of dark energy in the universe's expansion?

Graduate Understanding the Doppler Shift of Light and the Mystery of the Ether

Graduate Is There Hope for Safe Passage Through Cauchy Horizon Singularities?

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High School When will we have a Mars Landing?

Graduate Magnetic Fields of Neutron Stars

Graduate Was the formation of our galaxy inevitable

Graduate What exactly will happen if the big rip occurs

Graduate New Hubble Measurements Challenge Physicists: Space May be Smooth

Graduate Is there scientific evidence for the existence of multiple universes?

High School Unraveling the Mystery of Pluto's Orbit and Planetary Motion

Graduate Keppler's 2nd & 3rd Law: A Discussion on Gravitational Force and Kinetic Energy

High School Is There a Connection Between Space, Time, and Velocity?

Graduate Uniform vs progressive solar system formation