Obs. : 2017-04-25
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.691e+11
Venus      3.672e+11
Earth      3.863e+11
Mars       3.709e+11
Jupiter    3.900e+11
Saturn     3.786e+11
Uranus     3.691e+11
Neptune    3.666e+11
Pluto      3.726e+11