Obs. : 2023-03-08
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.853e+08
Venus      9.031e+08
Earth      9.704e+08
Mars       9.159e+08
Jupiter    8.958e+08
Saturn     8.827e+08
Uranus     9.018e+08
Neptune    8.870e+08
Pluto      8.820e+08