Obs. : 2023-01-13
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.961e+08
Venus      9.353e+08
Earth      9.544e+08
Mars       9.680e+08
Jupiter    9.901e+08
Saturn     9.620e+08
Uranus     9.865e+08
Neptune    9.742e+08
Pluto      9.077e+08