Join in expert discussion on the topics of Astronomy, astrophysics and cosmology. This may include discussion on celestial objects, space, and the physical universe as a whole. Mainstream science only.
Threads
High School Big Bang Project Ideas: Get Creative!
- jawmes
- · Replies 8 ·
Graduate A nice reality check on cosmology.
- turbo
- · Replies 1 ·
Graduate Calculating Solar Neutrino Emission Using p-p Chain Energies
- janzizka
- · Replies 1 ·
Graduate Another MOND prediction confirmed.
- ohwilleke
- · Replies 16 ·
Graduate Difference between BH's and BH's?
- Peter.E
- · Replies 9 ·
Undergrad What Is the Luminosity Distance Relationship?
- bigman8424
- · Replies 5 ·
Graduate Cosmological constant and Dark energy
- wolram
- · Replies 11 ·
Undergrad Is Imagination a Gateway to the Universe?
- oldunion
- · Replies 4 ·
Undergrad Redshift & Blueshift: Is There a Consensus?
- LocktnLoaded
- · Replies 5 ·
Space Travel n size of traveller
- darkar
- · Replies 7 ·
Undergrad Probabilities of earth like orbits, and solar systems like ours?
- wolram
- · Replies 5 ·
High School Could Jupiter Be a Failed Star?
- hexhunter
- · Replies 36 ·
High School Studying Neptune: Investigating the Unknown
- relativelyslow
- · Replies 7 ·
High School Questions About the Sky: An Array of Questions
- Mozart
- · Replies 7 ·
High School The Moon's Rotation and Why it Doesn't Spin: Theories and Explanations
- godzilla7
- · Replies 10 ·
Graduate Can We Create Miniature Black Holes at Particle Accelerators?
- cosmoboy
- · Replies 1 ·
Graduate New MOND paper: Pointecouteau and Silk
- marcus
- · Replies 2 ·
Graduate Is the Big Bang Theory the Only Valid Explanation for the Universe's Origin?
- sd01g
- · Replies 41 ·
Graduate Unveiling the Mystery of the Cosmological Constant: A Fresh Perspective on CC
- wolram
- · Replies 3 ·
Big Bang Article - Early Universe more Fluid like
- yogi
- · Replies 1 ·
Graduate Process noise of satellite orbit determination
- whigg_wang
- · Replies 1 ·
Undergrad Light Bending Around Black Holes: A Real Phenomenon
- UrbanXrisis
- · Replies 1 ·
Graduate Nuclear Physics & Cosmology Resource Books - Solution-Oriented
- janzizka
- · Replies 1 ·
High School Current Theory of Expansion of Space: What Do Scientists Think?
- Mark Walker
- · Replies 1 ·
Graduate What is the Cosmological Natural Selection theory?
- marcus
- · Replies 72 ·
Graduate Trying to make sense of the time in spacetime
- WarrickF
- · Replies 1 ·
Astronomers photograph extra-solar planet
- infidel
- · Replies 4 ·
High School Saturn is diminished and can be put into a PURE water container
- lwymarie
- · Replies 9 ·
Is This the Most Stunning Space Animation Online?
- Olbers_Paradox
- · Replies 2 ·
High School Matter/Energy Ratio: Help Needed on Critical Universe Ques.
- sp3685
- · Replies 3 ·
Weird Project Idea: Help Needed for Report Container
- SplinterIon
- · Replies 2 ·
Graduate Understanding Standing Waves & How They Fit in Black Holes
- ColdFusion85
- · Replies 5 ·
High School My Body Expanding? A Frightening Thought
- icvotria
- · Replies 19 ·
Stunning New Hubble Photo of Whirlpool Galaxy M51
- Orion1
- · Replies 2 ·
Graduate Universe AgeSize with respect to DM?
- Spin_Network
- · Replies 3 ·
Graduate Does Zero Curvature in Space Really Mean a Looping Universe?
- DaveC426913
- · Replies 4 ·
Undergrad How Would You Navigate After Using a Warp Drive?
- aychamo
- · Replies 42 ·
High School Sun Rise Laser Cannon Aiming - Unraveling the Mystery
- gunblaze
- · Replies 4 ·
Graduate Is Gravity More Than Just a Force in a Unified Theory?
- LizardKing23
- · Replies 28 ·
Undergrad What Is the Equation for Estimating Extraterrestrial Life?
- Someone502
- · Replies 2 ·
WANTED: mysteries of the universe
- pattiecake
- · Replies 15 ·
High School Can a Gong in Space Vibrate Without Sound?
- hsutrack
- · Replies 2 ·
High School Are There Solar Systems with More Than Three Stars?
- revelator
- · Replies 13 ·
Graduate Could the uneven expansion of the universe challenge the concept of equilibrium?
- Karoly
- · Replies 6 ·
Graduate Would a Nearby Supernova Disrupt the Solar Wind and Cause Earthquakes?
- Mike2
- · Replies 9 ·
High School Top 10 Hands-On Astronomy Activities?
- cj
- · Replies 7 ·
High School What Are Black Holes and How Do They Curved Space?
- AcEY
- · Replies 16 ·
Possible threat: passenger airplane denied access to US airspace
- Monique
- · Replies 27 ·
Graduate White Dwarfs: Structural & Evolutionary Overview
- charlie85
- · Replies 2 ·
Graduate Big Bang = Big Flow (RHIC Results)
- Phobos
- · Replies 5 ·
Name two things that signifify a trip around the sun
- pattiecake
- · Replies 9 ·
Graduate Could Light Energy Loss Explain the Expansion of Space?
- whatdofisheat
- · Replies 18 ·
High School At the beginning of the universe
- lwymarie
- · Replies 2 ·
Graduate Look For Extraterrestrial Civilizations (Don't Just Listen)
- Ivan Seeking
- · Replies 6 ·
Graduate What Mathematical Tool Measures the Curvature of Space?
- misskitty
- · Replies 21 ·
High School Is Teegarden's star really that close?
- evthis
- · Replies 12 ·
Graduate How to find the size of the universe?
- whozum
- · Replies 19 ·
High School Temperature of Space - Facts & Figures
- Pengwuino
- · Replies 28 ·
Graduate Hubble Trouble: Solving the Big Bang Age and Acceleration Mystery
- KOLYA K
- · Replies 2 ·
Graduate Could Our Universe Be Inside a Giant Black Hole?
- A_I_
- · Replies 6 ·
Graduate Question regarding accellerating expansion of the universe.
- hedons
- · Replies 36 ·
Graduate What Is the Significance of a Naked Singularity in General Relativity?
- wolram
- · Replies 15 ·
Graduate What Exactly is a Degenerate Gas?
- Baggio
- · Replies 6 ·
Graduate Help Needed: Solving the N-Body Problem in 3 Dimensions
- LizardKing23
- · Replies 9 ·
Graduate Interstellar medium: Theory and models.
- hellfire
- · Replies 34 ·
Graduate Dark matter, energy and negetive gravity
- misskitty
- · Replies 12 ·
Graduate Gravitation, inertia, and the vacuum
- turbo
- · Replies 7 ·
Graduate MOND & TeVeS: Unifying Dark Matter & Dark Energy
- ohwilleke
- · Replies 3 ·
Undergrad Astronomers Unveil Star Size Limit: What Does it Mean for Cores?
- Starship
- · Replies 6 ·
Undergrad How can the expansion of space cause light to loose energy?
- whatdofisheat
- · Replies 42 ·
Graduate Does the physical universe exist before conception and after death?
- Loren Booda
- · Replies 1 ·
Undergrad Effects of spontaneous gravity reduction
- happytadpole
- · Replies 3 ·
Graduate Unifying the universe: Michio Kaku
- Ivan Seeking
- · Replies 1 ·
High School What Causes the Moon to Appear Orange?
- Pengwuino
- · Replies 19 ·
Undergrad Not wanting to belive the acceleration universe model
- whatdofisheat
- · Replies 30 ·
Graduate Bad Science and the Anthropic Cosmological Principle
- moving finger
- · Replies 29 ·
Undergrad Is it possible for a Rocky Giant with rings around it?
- Silverbackman
- · Replies 5 ·
Undergrad Science’s doomsday team vs. the asteroids
- Ivan Seeking
- · Replies 43 ·
High School Predicting Solar and Lunar Eclipses
- The Bob
- · Replies 17 ·
High School The Great Red Spot: What Caused Jupiter's Huge Red Spot?
- stoned
- · Replies 8 ·
Graduate Could Quantum Fluctuations Happen Even
- Gold Barz
- · Replies 5 ·
Graduate Can We Really Understand the Universe? A Look at the Current State of Cosmology
- Chronos
- · Replies 23 ·
Undergrad Calculating Size of Asteroid to Wipe Out Life on Earth
- Gale
- · Replies 30 ·
High School Where Can I Find Comprehensive Resources on the Cosmic Microwave Background?
- The Rev
- · Replies 3 ·
Undergrad How Many Supernovas Have Occurred Since the Big Bang?
- Spin_Network
- · Replies 24 ·
Undergrad Is the moon's Hill Sphere the same as its Roche Radius?
- naranekkosh
- · Replies 3 ·
Graduate Estimating Mass of Universe Within Horizon
- wolram
- · Replies 25 ·
Graduate Do black holes have multiple singularities?
- Ivan Seeking
- · Replies 16 ·
Graduate Redening of light from a certian density of particals
- whatdofisheat
- · Replies 1 ·
Undergrad Escape Velocity Given Radius of 2 Objects
- bigman8424
- · Replies 4 ·
High School Discovering Hoag's Object: A Fascinating Cosmic Smoke Ring in Space
- tdunc
- · Replies 1 ·
Graduate The Possibility of a Black Hole Big Bang
- mapper
- · Replies 5 ·
Undergrad 3 Questions - Why are some orbits
- Gold Barz
- · Replies 3 ·
Graduate Can Spacetime Foam Create New Universes?
- Gold Barz
- · Replies 3 ·
Stargazing A Partial Solar Eclipse Viewing Guide
- Andromeda321
- · Replies 1 ·
High School How does distance from the sun affect the apparent brightness?
- Mariko
- · Replies 8 ·
Undergrad Clay-like Material: From Soft to Hard in Space and Earth
- dbstpdud12
- · Replies 1 ·
Graduate Does the big bang imply a finite universe
- Allday
- · Replies 47 ·
Graduate Are there white holes that pump matter into Universe?
- spicerack
- · Replies 20 ·
Graduate Shape of the Universe: Flat or Curved?
- moonman
- · Replies 1 ·