Obs. : 2023-12-10
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.266e+08
Venus      8.460e+08
Earth      7.824e+08
Mars       8.906e+08
Jupiter    7.686e+08
Saturn     8.777e+08
Uranus     7.765e+08
Neptune    8.275e+08
Pluto      9.233e+08