Obs. : 2017-11-26
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.663e+11
Venus      3.652e+11
Earth      3.668e+11
Mars       3.671e+11
Jupiter    3.668e+11
Saturn     3.663e+11
Uranus     3.609e+11
Neptune    3.616e+11
Pluto      3.673e+11