Obs. : 2015-11-06
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.570e+11
Venus      4.740e+11
Earth      4.196e+11
Mars       4.740e+11
Jupiter    4.740e+11
Saturn     4.338e+11
Uranus     4.098e+11
Neptune    4.124e+11
Pluto      4.143e+11