For a source with a luminosity L, and measured flux | Chegg.com
Lecture 7: Brightnesses of Stars
Properties of Stars
Luminosity of a Star: Measurement & Formula | What is Luminosity? - Video & Lesson Transcript | Study.com
cosmology - How do you calculate comoving distance and light's travel distance? According to the formulae below? - Astronomy Stack Exchange
Brightness Ratio Calculator - Calculator Academy
Elliptical orbits
Distances in Cosmology
Distance measure - Wikipedia
Astronomy: Luminosity and Apparent Brightness - YouTube
Luminosity of a Star: Measurement & Formula | What is Luminosity? - Video & Lesson Transcript | Study.com
Luminosity Calculator - Calculator Academy
Ned Wright's Cosmology Tutorial - All in 1
Imagine the Universe!
Properties of Stars
How Predicted Observables for Exoplanets are Calculated
Cepheid Variable Stars
Luminosity Calculator
Astronomy - Measuring Distance, Size, and Luminosity (20 of 30) Calculating Distance Using Magnitude - YouTube
iCosmos :: Cosmology Calculator :: Comoving Distance, Angular Diameter Distance, Luminosity Distance, Comoving Volume, Age of The Universe
Cepheid Variable Stars & Distance
How To - How To Determine a Star's Radius | Space.com Forums
Lecture 22: The Cosmic Distance Problem
The surface temperature of a sun is about 58 K and its radius is 7*10^5 km. What is the luminosity of the sun? - Quora
EQUATIONS HELP
The expanding universe, through Newtonian eyes
Formulas - Inverse Square Law
