Obs. : 2020-07-09
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.158e+08
Venus      6.271e+08
Earth      6.317e+08
Mars       6.161e+08
Jupiter    6.296e+08
Saturn     6.296e+08
Uranus     6.226e+08
Neptune    6.150e+08
Pluto      6.296e+08