Obs. : 2023-06-07
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.087e+08
Venus      8.711e+08
Earth      9.810e+08
Mars       8.711e+08
Jupiter    9.096e+08
Saturn     8.988e+08
Uranus     9.087e+08
Neptune    8.985e+08
Pluto      9.412e+08