Obs. : 2015-10-06
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.749e+11
Venus      4.473e+11
Earth      3.875e+11
Mars       4.606e+11
Jupiter    4.606e+11
Saturn     4.482e+11
Uranus     3.866e+11
Neptune    4.116e+11
Pluto      4.338e+11