Obs. : 2025-11-04
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.741e+08
Venus      7.768e+08
Earth      7.940e+08
Mars       7.741e+08
Jupiter    7.775e+08
Saturn     8.085e+08
Uranus     7.795e+08
Neptune    7.971e+08
Pluto      8.163e+08