Obs. : 2023-03-03
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.843e+08
Venus      8.690e+08
Earth      9.370e+08
Mars       8.742e+08
Jupiter    8.657e+08
Saturn     8.843e+08
Uranus     8.646e+08
Neptune    8.698e+08
Pluto      9.175e+08