Obs. : 2020-06-05
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.370e+08
Venus      6.395e+08
Earth      6.452e+08
Mars       6.184e+08
Jupiter    6.294e+08
Saturn     6.294e+08
Uranus     6.330e+08
Neptune    6.186e+08
Pluto      6.294e+08