Obs. : 2022-02-27
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.269e+08
Venus      7.399e+08
Earth      7.377e+08
Mars       7.336e+08
Jupiter    7.045e+08
Saturn     7.269e+08
Uranus     6.836e+08
Neptune    7.045e+08
Pluto      7.336e+08