Obs. : 2019-11-15
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.002e+08
Venus      6.097e+08
Earth      6.061e+08
Mars       5.984e+08
Jupiter    6.112e+08
Saturn     6.127e+08
Uranus     6.064e+08
Neptune    6.078e+08
Pluto      6.127e+08