Obs. : 2024-11-28
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.244e+08
Venus      9.360e+08
Earth      9.850e+08
Mars       9.957e+08
Jupiter    9.901e+08
Saturn     9.559e+08
Uranus     9.850e+08
Neptune    9.569e+08
Pluto      9.430e+08