Astronomy
Astronomy is the scientific study of matter, gravity and light and celestial objects (such as stars, galaxies, planets, moons, asteroids, comets and nebulae). These objects are outside the earth's atmosphere and astronomy includes the study of their physical and chemical properties. vCalc's Astronomy library contains equations and constants used to study these celestial objects.
Featured in the library is the Astronomy Calculator: It has 31 functions covering:
- Kepler's 3rd Law
- Small Angle Formula
- Flux and Magnitude formulas
- Telescope formulas
- Mass formulas
- Relative Size formulas
- Wavelength formulas
- Luminosity formulas and others
The Astronomy library also accommodates the units used in Astronomy with automatic unit conversions. These include units of mass (e.g., Solar Masses), distances (e.g., light years), and time (e.g., sidereal days).
Finally, the astronomy library had useful data related to the field of astronomy including the mass of stars and planets, commonly used astronomical distances and more.
Parent Categories
Astronomy Equations
- Absorbance Use Equation
- Acceleration Due to Gravity Use Equation
- Age of Universe (estimated) Use Equation
- Angle from Size and Distance Use Equation
- Angular Frequency from Period Use Equation
- Apsis-Apocenter (maximum distance) Use Equation
- Apsis-Apocenter (minimum speed) Use Equation
- Astro Distances Use Equation
- Astro Travel Time Use Equation
- Astronomical Albedo Use Equation
- Astronomical Distance Conversions Use Equation
- Back Hole Event Horizon Use Equation
- barycenter distance (r1) Use Equation
- Black Hole Mass Use Equation
- Blackbody Temperature from peak wavelength Use Equation
- Blackbody wavelength from Temperature Use Equation
- Difference in magnitudes from Flux Ratio Use Equation
- Distance from absolute and apparent magnitude Use Equation
- Distance from Size and Angle Use Equation
- Distance Light Traveled Use Equation
- Drake Equation (original) Use Equation
- Escape Velocity Use Equation
- Escape Velocity (Using Density) Use Equation
- Flux Ratio Use Equation
- Flux Ratio from Magnitudes Use Equation
- Force of Gravity Use Equation
- Force of Sun's gravity on planets Use Equation
- Friedman Equation Use Equation
- Full Impulse Speed Use Equation
- Galaxy Recession Velocity Use Equation
- Geosynchronous Orbit Use Equation
- Goldilocks Zone Use Equation
- Gravity Radius Use Equation
- Gregorian Calendar to Julian Day Number (JDN) Use Equation
- Hill Sphere Radius Use Equation
- Hubble Constant Use Equation
- Hubble Law Use Equation
- Hubble Time Use Equation
- Index of Refraction of a Lens Use Equation
- Index of Refraction of a Material Surrounding a Lens Use Equation
- J2 Perturbation Acceleration Use Equation
- K3L-Mass from Period and Separation Use Equation
- Kilometer to Light-years Use Equation
- Kilometers to Kilo-light-years Use Equation
- Kilometers to Light-days Use Equation
- Kilometers to Light-hours Use Equation
- Kilometers to Light-minutes Use Equation
- Kilometers to Light-seconds Use Equation
- Kilometers to Mega-parsecs Use Equation
- Kilometers to Parsecs Use Equation
- Konecny Station Parameters Use Equation
- Lagrange Points L1 and L2 Use Equation
- Lens Maker's Equation (solved for ) Use Equation
- Light-seconds to Kilometers Use Equation
- Light-years to Kilometers Use Equation
- Lorentz factor Use Equation
- Luminosity from Mass Use Equation
- lux - to - vMag Use Equation
- Magnification of a Telescope Use Equation
- Malus' Law Use Equation
- Martian Weight Use Equation
- Mass from Acceleration and Radius Use Equation
- Mass from Luminosity Use Equation
- Mass from Speed and Separation Use Equation
- mass of extra-solar planet from M, r and R Use Equation
- mass of extra-solar-planet from M, v and V Use Equation
- Modified Julian Day (MJD) Use Equation
- Orbit velocity Use Equation
- Orbital Period from Mass and Separation Use Equation
- Photon energy Use Equation
- Photon Energy from Wavelength Use Equation
- Photon Wavelength from Energy Use Equation
- Planetary Temperature Use Equation
- Potential Energy of Gravity Use Equation
- Radial Acceleration (R,T) Use Equation
- radius from speed and period Use Equation
- Radius of Curvature of a Lens away from Light Source Use Equation
- Radius of Curvature of a Lens toward Light Source Use Equation
- Redshift Use Equation
- Reduced Julian Day (RJD) Use Equation
- Relative Luminosity from relative size and temperature Use Equation
- Relative Size from Relative Temperature and Luminosity Use Equation
- Relative Temperature from Relative size and luminosity Use Equation
- Resolving Power of a Telescope Use Equation
- Sakuma-Hattori equation Use Equation
- Schwarzschild Radius Use Equation
- Seager Equation Use Equation
- Size from Distance and Angle Use Equation
- Solar Mass Equivalent Use Equation
- Space Travel Time Use Equation
- Speed from Light Wavelength Shift Use Equation
- Speed of Circular Motion Use Equation
- Sphere - Density Use Equation
- Sphere - Radius from Volume Use Equation
- Sphere - Volume Use Equation
- Sphere Volume from Mass and Density Use Equation
- Standard Gravitational Parameter Use Equation
- Stephan-Boltzmann Law Use Equation
- True Anomaly, [E] Use Equation
- Truncated Julian Day (TJD) Use Equation
- Unix Time (seconds) Use Equation
- vMag - to - lux Use Equation
- Warp Speed Use Equation
- Wavelength of Light Use Equation
- Wavelength shift from speed and wavelength Use Equation
Astronomy Constants
- (muD) Sun Use Constant
- 10 parsecs Use Constant
- Acceleration due to Gravity on Neptune Use Constant
- Age of Universe (estimate) Use Constant
- astronimical unit (m) Use Constant
- astronomical unit (km) Use Constant
- Density of the Universe Use Constant
- Earth orbit inclination to invariable plane Use Constant
- Gravity of Earth Use Constant
- Gravity of Jupiter Use Constant
- Gravity of Mars Use Constant
- Gravity of Mercury Use Constant
- Gravity of Pluto Use Constant
- Gravity of Saturn Use Constant
- Gravity of the Moon Use Constant
- Gravity of the Sun Use Constant
- Gravity of Uranus Use Constant
- Gravity of Venus Use Constant
- Gravity of Vesta Use Constant
- Hubble Constant Use Constant
- Kilo-Light Year Use Constant
- Light Day Use Constant
- Light Hour Use Constant
- Light Minute Use Constant
- Light Second Use Constant
- Light Year Use Constant
- Mass of 51 Pegasi B Use Constant
- Mass of Jupiter Use Constant
- Mass of the Earth Use Constant
- Mega-Parsec Use Constant
- m_(Neptune) Use Constant
- Orbital Velocity of the Earth Use Constant
- Parsec Use Constant
- Planck Constant Use Constant
- Solar Mass Use Constant
- Synodic month Use Constant
- Temperature of the Universe Use Constant
- Use Constant
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