Obs. : 2013-08-24
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.846e+11
Venus      3.801e+11
Earth      3.928e+11
Mars       4.189e+11
Jupiter    4.237e+11
Saturn     3.917e+11
Uranus     3.963e+11
Neptune    3.887e+11
Pluto      3.948e+11