Obs. : 2025-04-03
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.099e+08
Venus      9.099e+08
Earth      8.633e+08
Mars       8.812e+08
Jupiter    8.978e+08
Saturn     9.099e+08
Uranus     9.097e+08
Neptune    9.071e+08
Pluto      9.275e+08