Obs. : 2025-01-26
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.458e+08
Venus      9.050e+08
Earth      8.905e+08
Mars       8.950e+08
Jupiter    9.441e+08
Saturn     8.796e+08
Uranus     9.463e+08
Neptune    9.050e+08
Pluto      8.458e+08