Obs. : 2010-08-28
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.733e+11
Venus      3.882e+11
Earth      3.621e+11
Mars       3.820e+11
Jupiter    3.489e+11
Saturn     3.782e+11
Uranus     3.489e+11
Neptune    3.573e+11
Pluto      3.832e+11