Obs. : 2020-05-27
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.366e+08
Venus      6.374e+08
Earth      6.349e+08
Mars       6.078e+08
Jupiter    6.121e+08
Saturn     6.121e+08
Uranus     6.270e+08
Neptune    6.078e+08
Pluto      6.121e+08