Obs. : 2015-12-15
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.431e+11
Venus      4.075e+11
Earth      4.566e+11
Mars       4.148e+11
Jupiter    4.432e+11
Saturn     4.228e+11
Uranus     4.549e+11
Neptune    4.626e+11
Pluto      4.431e+11