Obs. : 2016-10-28
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.731e+11
Venus      3.700e+11
Earth      3.817e+11
Mars       3.696e+11
Jupiter    3.801e+11
Saturn     3.700e+11
Uranus     3.718e+11
Neptune    3.713e+11
Pluto      3.693e+11