Obs. : 2024-08-17
Planet	Ly alpha (photons/cm^2/sec)
Mercury    1.001e+09
Venus      1.031e+09
Earth      9.536e+08
Mars       9.540e+08
Jupiter    9.540e+08
Saturn     9.536e+08
Uranus     9.627e+08
Neptune    9.536e+08
Pluto      9.811e+08