Obs. : 2022-05-16
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.911e+08
Venus      7.794e+08
Earth      8.521e+08
Mars       7.765e+08
Jupiter    7.759e+08
Saturn     7.881e+08
Uranus     7.843e+08
Neptune    7.765e+08
Pluto      7.943e+08