# Luminosity of the sun

1. Mar 9, 2008

### bse

[SOLVED] luminosity of the sun

What equation do you use to figure out the luminosity of the Sun if you are given the amount of energy the Earth receives from it?

2. Mar 9, 2008

### G01

Can you please post the whole problem and whatever work you have done. Remember you must show some work to get help on these forums. You don't necessarily need calculations, but you need to show that you have put some thought into the problem. Can you answer the following:

What is luminosity a measure of?

How does luminosity relate to energy?

3. Mar 10, 2008

### bse

Ok sorry. I actually just wanted to know the equation, but i figured it out. thanks anyway