Obs. : 2022-06-20
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.791e+08
Venus      8.085e+08
Earth      7.947e+08
Mars       8.329e+08
Jupiter    8.368e+08
Saturn     8.179e+08
Uranus     8.085e+08
Neptune    8.334e+08
Pluto      8.045e+08