Obs. : 2026-10-12
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.112e+08
Venus      7.112e+08
Earth      7.856e+08
Mars       7.350e+08
Jupiter    7.158e+08
Saturn     7.830e+08
Uranus     7.669e+08
Neptune    7.856e+08
Pluto      7.884e+08