Wolfram|Alpha Astronomy Calculators

Wolfram|Alpha has astronomy calculators. Solve problems related to asteroid impact, luminosity, magnitude, SETI, solar radiation and stellar distance.

Astronomy

Asteroid Impact
Asteroid Impact Air Blast CalculatorAsteroid Impact Atmospheric Entry CalculatorAsteroid Impact Crater Size CalculatorAsteroid Impact Ejecta CalculatorAsteroid Impact Energy CalculatorAsteroid Impact Seismic Effects CalculatorAsteroid Impact Thermal Radiation Calculator
Luminosity
Blackbody Luminosity of a Sphere CalculatorEnergy Formula for Luminosity CalculatorLuminosity Distance Formula CalculatorLuminosity Formula for Absolute Magnitude CalculatorLuminosity Formula for Apparent Magnitude and Distance CalculatorMass‐Luminosity Relation for Main Sequence Stars Calculator
Magnitude
Distance Modulus CalculatorIntensity Formula for Apparent Magnitude CalculatorLuminosity Formula for Absolute Magnitude CalculatorLuminosity Formula for Apparent Magnitude and Distance Calculator
SETI
Drake Equation CalculatorSeager Equation Calculator
Solar Radiation
Ångström–Page Equation CalculatorDaylight Hours CalculatorEquivalent Evaporation CalculatorExtraterrestrial Irradiance CalculatorExtraterrestrial Irradiation CalculatorPenman–Monteith Method CalculatorSky Brightness CalculatorSolar Declination CalculatorSunset Hour Angle Calculator
Stellar Distance
Distance Modulus CalculatorInverse Relative Distance Earth‐Sun CalculatorLuminosity Distance Formula CalculatorLuminosity Formula for Apparent Magnitude and Distance CalculatorParallax Distance Calculator