Obs. : 2013-08-13
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.511e+11
Venus      3.603e+11
Earth      3.793e+11
Mars       3.588e+11
Jupiter    3.588e+11
Saturn     3.782e+11
Uranus     3.613e+11
Neptune    3.709e+11
Pluto      3.845e+11