Obs. : 2015-10-19
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.149e+11
Venus      4.276e+11
Earth      4.841e+11
Mars       4.199e+11
Jupiter    4.199e+11
Saturn     4.083e+11
Uranus     4.805e+11
Neptune    4.595e+11
Pluto      4.350e+11