Obs. : 2014-05-19
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.989e+11
Venus      3.802e+11
Earth      3.934e+11
Mars       4.095e+11
Jupiter    4.137e+11
Saturn     3.977e+11
Uranus     3.802e+11
Neptune    3.788e+11
Pluto      3.937e+11