Obs. : 2019-08-20
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.397e+11
Venus      3.369e+11
Earth      3.509e+11
Mars       3.369e+11
Jupiter    3.442e+11
Saturn     3.468e+11
Uranus     3.533e+11
Neptune    3.509e+11
Pluto      3.468e+11