Obs. : 2017-02-03
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.204e+11
Venus      3.123e+11
Earth      3.009e+11
Mars       3.123e+11
Jupiter    2.972e+11
Saturn     3.067e+11
Uranus     3.076e+11
Neptune    3.236e+11
Pluto      3.204e+11