Obs. : 2020-02-11
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.186e+08
Venus      6.104e+08
Earth      6.124e+08
Mars       6.192e+08
Jupiter    6.247e+08
Saturn     6.270e+08
Uranus     6.068e+08
Neptune    6.186e+08
Pluto      6.270e+08