Obs. : 2024-07-22
Planet	Ly alpha (photons/cm^2/sec)
Mercury    1.055e+09
Venus      1.031e+09
Earth      9.906e+08
Mars       9.466e+08
Jupiter    9.466e+08
Saturn     9.940e+08
Uranus     9.552e+08
Neptune    9.940e+08
Pluto      9.908e+08