Obs. : 2020-05-25
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.312e+08
Venus      6.302e+08
Earth      6.337e+08
Mars       6.043e+08
Jupiter    6.125e+08
Saturn     6.125e+08
Uranus     6.261e+08
Neptune    6.043e+08
Pluto      6.125e+08