Obs. : 2019-11-10
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.002e+08
Venus      5.997e+08
Earth      6.014e+08
Mars       5.863e+08
Jupiter    6.046e+08
Saturn     6.099e+08
Uranus     6.014e+08
Neptune    6.073e+08
Pluto      6.122e+08