Obs. : 2010-06-17
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.856e+11
Venus      3.829e+11
Earth      3.670e+11
Mars       3.888e+11
Jupiter    3.608e+11
Saturn     3.855e+11
Uranus     3.608e+11
Neptune    3.572e+11
Pluto      3.697e+11