Question

The luminosity of the Sun is 4*10^{33} \, \mathrm{erg} \, \mathrm{s}^{-1}4∗10
33
ergs
−1
, and its distance to the Earth is 1.5*10^{13} \, \mathrm{cm}1.5∗10
13
cm.

What is the flux of sunlight on the Earth, in units of \mathrm{erg s}^{-1} \, \mathrm{s}^{-1} \, \mathrm{cm}^{-2}ergs
−1
s
−1
cm
−2
?

Answer 1

Answer:

−1

, and its distance to the Earth is 1.5*10^{13} \, \mathrm{cm}1.5∗10

13

cm.