Obs. : 2015-10-13
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.132e+11
Venus      4.384e+11
Earth      4.134e+11
Mars       4.224e+11
Jupiter    4.224e+11
Saturn     3.819e+11
Uranus     3.980e+11
Neptune    3.926e+11
Pluto      3.883e+11