Obs. : 2019-03-24
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.686e+11
Venus      3.649e+11
Earth      3.533e+11
Mars       3.591e+11
Jupiter    3.562e+11
Saturn     3.589e+11
Uranus     3.709e+11
Neptune    3.686e+11
Pluto      3.589e+11