Obs. : 2020-07-11
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.140e+08
Venus      6.228e+08
Earth      6.244e+08
Mars       6.134e+08
Jupiter    6.223e+08
Saturn     6.223e+08
Uranus     6.180e+08
Neptune    6.112e+08
Pluto      6.223e+08