Obs. : 2020-03-03
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.221e+08
Venus      5.873e+08
Earth      6.080e+08
Mars       6.108e+08
Jupiter    6.122e+08
Saturn     6.122e+08
Uranus     5.873e+08
Neptune    6.129e+08
Pluto      6.122e+08