Obs. : 2016-11-15
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.900e+11
Venus      3.837e+11
Earth      3.788e+11
Mars       3.783e+11
Jupiter    3.936e+11
Saturn     3.886e+11
Uranus     3.781e+11
Neptune    3.766e+11
Pluto      3.813e+11