Obs. : 2024-04-11
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.993e+08
Venus      7.993e+08
Earth      8.617e+08
Mars       7.664e+08
Jupiter    8.403e+08
Saturn     7.664e+08
Uranus     8.403e+08
Neptune    7.844e+08
Pluto      7.845e+08