@ uaeimran
u mean 2 say... solar luminosity?????
us radiant power ka poch rhe ho jo photons ki form main emitt hoti hai or astronomers use krte hn stars ki luminosity ( brightness ) btane k lye.
mere naqas ilm k mutabik ( which is 3.839 × 10 ki power 26 W, or 3.839 × 10 ki power 33 erg/s.
ye roughly idea hi hota hai , xactly koi ni janta.