Obs. : 2023-06-05
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.938e+08
Venus      8.657e+08
Earth      9.516e+08
Mars       8.657e+08
Jupiter    9.042e+08
Saturn     8.772e+08
Uranus     8.938e+08
Neptune    8.828e+08
Pluto      8.818e+08