Obs. : 2011-06-01
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.087e+11
Venus      4.098e+11
Earth      4.365e+11
Mars       4.098e+11
Jupiter    4.195e+11
Saturn     4.684e+11
Uranus     4.205e+11
Neptune    4.223e+11
Pluto      4.365e+11