Obs. : 2020-05-29
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.345e+08
Venus      6.344e+08
Earth      6.362e+08
Mars       6.108e+08
Jupiter    6.148e+08
Saturn     6.148e+08
Uranus     6.262e+08
Neptune    6.108e+08
Pluto      6.148e+08