Obs. : 2016-11-30
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.577e+11
Venus      3.639e+11
Earth      3.737e+11
Mars       3.679e+11
Jupiter    3.454e+11
Saturn     3.575e+11
Uranus     3.724e+11
Neptune    3.721e+11
Pluto      3.639e+11