Obs. : 2025-03-14
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.228e+08
Venus      9.228e+08
Earth      9.629e+08
Mars       9.256e+08
Jupiter    9.108e+08
Saturn     9.072e+08
Uranus     9.117e+08
Neptune    9.228e+08
Pluto      8.680e+08