Obs. : 2020-09-10
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.066e+08
Venus      6.226e+08
Earth      6.243e+08
Mars       6.259e+08
Jupiter    6.200e+08
Saturn     6.192e+08
Uranus     6.279e+08
Neptune    6.240e+08
Pluto      6.192e+08