Obs. : 2019-01-12
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.567e+11
Venus      3.455e+11
Earth      3.504e+11
Mars       3.527e+11
Jupiter    3.465e+11
Saturn     3.567e+11
Uranus     3.501e+11
Neptune    3.590e+11
Pluto      3.567e+11