Obs. : 2017-03-02
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.688e+11
Venus      3.681e+11
Earth      3.629e+11
Mars       3.681e+11
Jupiter    3.650e+11
Saturn     3.630e+11
Uranus     3.681e+11
Neptune    3.688e+11
Pluto      3.641e+11