Obs. : 2011-03-09
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.677e+11
Venus      3.942e+11
Earth      4.038e+11
Mars       3.743e+11
Jupiter    3.673e+11
Saturn     4.007e+11
Uranus     3.677e+11
Neptune    3.831e+11
Pluto      3.947e+11