Obs. : 2016-10-12
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.852e+11
Venus      3.983e+11
Earth      3.920e+11
Mars       4.060e+11
Jupiter    3.852e+11
Saturn     4.029e+11
Uranus     3.934e+11
Neptune    3.995e+11
Pluto      4.060e+11