Obs. : 2019-03-15
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.589e+11
Venus      3.547e+11
Earth      3.533e+11
Mars       3.449e+11
Jupiter    3.534e+11
Saturn     3.531e+11
Uranus     3.480e+11
Neptune    3.589e+11
Pluto      3.531e+11