Obs. : 2020-10-08
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.218e+08
Venus      6.360e+08
Earth      6.302e+08
Mars       6.302e+08
Jupiter    6.298e+08
Saturn     6.298e+08
Uranus     6.300e+08
Neptune    6.251e+08
Pluto      6.298e+08