Obs. : 2025-05-29
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.049e+08
Venus      8.251e+08
Earth      8.281e+08
Mars       8.052e+08
Jupiter    7.998e+08
Saturn     8.231e+08
Uranus     8.148e+08
Neptune    8.231e+08
Pluto      8.235e+08