Obs. : 2020-06-11
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.372e+08
Venus      6.339e+08
Earth      6.330e+08
Mars       6.096e+08
Jupiter    6.189e+08
Saturn     6.189e+08
Uranus     6.293e+08
Neptune    6.096e+08
Pluto      6.189e+08