Obs. : 2018-12-30
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.450e+11
Venus      3.414e+11
Earth      3.532e+11
Mars       3.528e+11
Jupiter    3.450e+11
Saturn     3.559e+11
Uranus     3.495e+11
Neptune    3.549e+11
Pluto      3.559e+11