Obs. : 2020-07-03
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.086e+08
Venus      6.150e+08
Earth      6.339e+08
Mars       6.021e+08
Jupiter    6.254e+08
Saturn     6.209e+08
Uranus     6.021e+08
Neptune    6.040e+08
Pluto      6.254e+08