Obs. : 2022-02-28
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.298e+08
Venus      7.388e+08
Earth      7.426e+08
Mars       7.336e+08
Jupiter    7.103e+08
Saturn     7.298e+08
Uranus     6.878e+08
Neptune    7.103e+08
Pluto      7.336e+08