Obs. : 2025-01-05
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.631e+08
Venus      1.003e+09
Earth      9.228e+08
Mars       9.345e+08
Jupiter    9.591e+08
Saturn     1.003e+09
Uranus     9.656e+08
Neptune    9.898e+08
Pluto      1.021e+09