Obs. : 2020-10-09
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.212e+08
Venus      6.365e+08
Earth      6.361e+08
Mars       6.361e+08
Jupiter    6.335e+08
Saturn     6.335e+08
Uranus     6.341e+08
Neptune    6.316e+08
Pluto      6.335e+08