Obs. : 2020-09-09
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.051e+08
Venus      6.246e+08
Earth      6.281e+08
Mars       6.292e+08
Jupiter    6.214e+08
Saturn     6.211e+08
Uranus     6.313e+08
Neptune    6.276e+08
Pluto      6.211e+08