Obs. : 2014-07-27
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.578e+11
Venus      3.529e+11
Earth      4.183e+11
Mars       4.352e+11
Jupiter    3.578e+11
Saturn     4.367e+11
Uranus     3.503e+11
Neptune    3.801e+11
Pluto      4.183e+11