# How is the luminosity of the sun determined?

##### 1 Answer

Oct 23, 2015

#### Explanation:

The Formula for Flux of an Object received at Earth is:

Where,

F is the Flux

L is the Luminosity of the Object

D is the Distance to that object

Rearrange the Formula to get the Luminosity

Flux Received from the Sun is 1343

D is the Distance = 1 AU or 150 Million Kms =