Obs. : 2019-03-29
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.694e+11
Venus      3.641e+11
Earth      3.490e+11
Mars       3.478e+11
Jupiter    3.540e+11
Saturn     3.549e+11
Uranus     3.652e+11
Neptune    3.694e+11
Pluto      3.549e+11