Obs. : 2020-05-30
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.375e+08
Venus      6.349e+08
Earth      6.360e+08
Mars       6.161e+08
Jupiter    6.216e+08
Saturn     6.216e+08
Uranus     6.318e+08
Neptune    6.161e+08
Pluto      6.233e+08