Obs. : 2025-08-07
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.809e+08
Venus      8.444e+08
Earth      8.133e+08
Mars       9.026e+08
Jupiter    8.444e+08
Saturn     8.156e+08
Uranus     8.333e+08
Neptune    8.156e+08
Pluto      8.261e+08