Obs. : 2020-06-13
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.444e+08
Venus      6.332e+08
Earth      6.326e+08
Mars       6.199e+08
Jupiter    6.223e+08
Saturn     6.223e+08
Uranus     6.335e+08
Neptune    6.199e+08
Pluto      6.223e+08