Obs. : 2013-07-17
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.992e+11
Venus      3.817e+11
Earth      4.204e+11
Mars       4.060e+11
Jupiter    4.060e+11
Saturn     4.238e+11
Uranus     4.053e+11
Neptune    4.097e+11
Pluto      4.210e+11