Obs. : 2024-04-04
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.696e+08
Venus      8.581e+08
Earth      8.220e+08
Mars       8.412e+08
Jupiter    8.520e+08
Saturn     8.412e+08
Uranus     8.520e+08
Neptune    8.581e+08
Pluto      7.886e+08