Obs. : 2019-01-11
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.590e+11
Venus      3.450e+11
Earth      3.492e+11
Mars       3.509e+11
Jupiter    3.471e+11
Saturn     3.590e+11
Uranus     3.490e+11
Neptune    3.568e+11
Pluto      3.590e+11