Obs. : 2024-04-01
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.757e+08
Venus      8.848e+08
Earth      8.120e+08
Mars       8.843e+08
Jupiter    8.608e+08
Saturn     8.848e+08
Uranus     8.608e+08
Neptune    8.848e+08
Pluto      8.606e+08