Obs. : 2020-10-11
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.260e+08
Venus      6.419e+08
Earth      6.372e+08
Mars       6.372e+08
Jupiter    6.388e+08
Saturn     6.388e+08
Uranus     6.355e+08
Neptune    6.350e+08
Pluto      6.388e+08