Obs. : 2013-03-03
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.993e+11
Venus      3.921e+11
Earth      4.307e+11
Mars       3.993e+11
Jupiter    4.229e+11
Saturn     3.985e+11
Uranus     4.039e+11
Neptune    3.921e+11
Pluto      3.853e+11