Obs. : 2020-03-01
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.247e+08
Venus      5.906e+08
Earth      6.104e+08
Mars       6.108e+08
Jupiter    6.131e+08
Saturn     6.206e+08
Uranus     5.906e+08
Neptune    6.183e+08
Pluto      6.131e+08