Obs. : 2020-07-14
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.211e+08
Venus      6.204e+08
Earth      6.264e+08
Mars       6.129e+08
Jupiter    6.264e+08
Saturn     6.239e+08
Uranus     6.092e+08
Neptune    6.148e+08
Pluto      6.239e+08