Obs. : 2020-10-12
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.293e+08
Venus      6.493e+08
Earth      6.379e+08
Mars       6.379e+08
Jupiter    6.416e+08
Saturn     6.423e+08
Uranus     6.380e+08
Neptune    6.374e+08
Pluto      6.423e+08