Obs. : 2025-05-13
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.912e+08
Venus      7.937e+08
Earth      7.848e+08
Mars       8.117e+08
Jupiter    8.015e+08
Saturn     7.937e+08
Uranus     8.002e+08
Neptune    7.937e+08
Pluto      7.739e+08