Astrophysics
Featured Answers
Astrophysics Basics
- The Electromagnetic Spectrum
- Blackbody Radiation
- Luminosity, Effective Temperature, Flux and Magnitudes
- Blotzmann and Saha Equations
- Spectral Classification of Stars
- The Hertzsprung-Russell Diagram
- Hydrostatic Equilibrium
- Free-Fall Times
- Pre-Main-Sequence Evolution
- Star Formation Theories
- Radiative Opacities and Matter-Radiation
- Specific Intensity and Radiative Moments
- Radiative Transfer Equation
- Local Thermodynamic Equilibrium
- Radiative Equilibrium
- Roseland and Other Mean Opacities
- Schwarzschild-Milne Equations
- Radiative Acceleration of Matter and Pressure
- The Grey Atmosphere
- Line Opacities and Broadening
- Equivalent Width and Formation of Atomic Lines
- Atmospheric Modelling
- Equations of Stellar Structure
- Energy Transport in Stars
- Polytropic Models
- Structure of the Sun
- Variable Stars and Asteroseismology
- Nuclear Fusion
- Models of the Nucleus
- Main-Sequence Burning
- Helium-Burning Phase
- Advanced Nuclear Burning
- Evolutionary Tracks in the H-R Diagram
- Stellar Clusters
- Stellar Remnants
- Novae and Supernovae
- Chemically Peculiar Stars
- Atomic Diffusion Theory
- Radiative Accelerations
- Transport Mechanisms
- Gravity Waves
- Black Holes
- Relativistic Orbits
- Space-Time
- Planet Composition
- Galaxy Composition
- Nebulae Composition
- Big Bang and Universe Evolution
- Question #647fb
- When does stellar nucleosynthesis occur?
- Why does the Moon have bigger effects on tide than the Sun?
- Question #d1725
- Can you determine the length of a solar flare based off of the energy level?
- Why it's said that light particles does not have mass.As we know that every energy emitting particle every matter has mass though light particles emits both heat and light energy unlimitlessly.So obviously it should have some mass?
- Question #4fef5
- How long does the black hole stage of a massive star last?
- What equipment is required for dark matter research?
- Question #89b14
- Why is nuclear fusion hard to achieve on Earth?
- Question #27e90
- What is dark matter and what is dark energy?
- Is there other intelligent life in our galaxy or an alternate universe?
- How fast is the speed of light?
- According to theory of general relativity,the light from a distant star in its path bent due to gravity of sun.Why it was not trapped in sun's orbit (to revolve around the sun)?
- Why times runs slowy when gravity is high?
- Why time runs slow where gravity is high?
- How were wormholes discovered?
- Why is there no antimatter in the Universe?
- Does light uses space fabric to travel?
- What is time travel??
- What is singularity boundary?
- Question #0a73a
- If light is a form of energy, why should it get attracted by the immense gravitational force exerted by a black hole?
- Can matter be turned into energy?
- Question #5d006
- Has time dilation been proved to occur?
- What is dark energy?
- What can cause a breach in time?
- How can the Earth move in the absence of external forces??
- What is a black hole?
- What is inside a black hole?
- Does gravity have a long range?
- Question #9959b
- What is a quasar?
- Which books are good to get good knowledge in astrophysics?
- Question #77116
- What is inside a black hole?
- Question #5d3b4
- Do we know everything about universe?
- How can a star form from a low density hydrogen cloud?
- What is dark matter or anti matter ?
- Why cant we create wormholes and black hole??
- What would happen if time stopped ?
- How was the solar system formed?
- Is there any phenomenon in astrophysics which doesn't have an explanation?
- How was black hole created ??
- Is teleportation of matter in large amounts possible and if so , will be it be possible to teleport living things through space-time ?
- What is Astrophysics?
- Is time travel possible??
- What products obtained in fusion reaction except helium?
- How to calculate the energy released during fusion?
- What is binding energy and mass defect?
- Universe cold or hot ??
- How can you best define the concept of time? How can we say that time started after the Big Bang? How did this arbitrary concept first come about?
- "Even light cannot escape from blank holes" then how can hawking radiation come out from them?
- How does string theory unifies general relativity and quantum theory??
- Why our earth,sun,other stars are in spherical shape?
- Can light bend the space fabric?
- What would happen if a massive black hole happens to enter our solar system?
- What is neutron star made of?
- Can u please explain red giant,white dwarf,quasars and black hole?
- Can u derive the formula for orbital velocity with proper explanation?
- Can u derive the formula for escape velocity with proper explanation?
- Is the hypothesis of time travel realistic? Will time travel actually be possible in near future? And what is the concept of wormholes and black holes?
- What is the square root of 73?
- How does a blueshift give evidence to the big bang theory?
- How do you calculate the altitude and velocity of a satellite in a geosynchronous orbit of Mars?
- What is the proof for existence of black holes?
- Are black holes and neutron star non luminous?
- Calculating the radius of a star 100 times bigger than our Sun?
- How can black holes be infinitely dense?
- What affect does gravity have on stars?
- What is time?
- Is the universe in motion or it is at rest??
- What cause the earth's gravitational field ?