Obs. : 2015-01-23
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.151e+11
Venus      4.101e+11
Earth      3.713e+11
Mars       4.029e+11
Jupiter    3.698e+11
Saturn     3.902e+11
Uranus     3.930e+11
Neptune    4.029e+11
Pluto      4.062e+11