Obs. : 2024-05-27
Planet	Ly alpha (photons/cm^2/sec)
Mercury    1.033e+09
Venus      1.009e+09
Earth      8.880e+08
Mars       1.031e+09
Jupiter    1.009e+09
Saturn     9.495e+08
Uranus     1.009e+09
Neptune    9.929e+08
Pluto      8.678e+08