Obs. : 2012-07-22
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.398e+11
Venus      4.287e+11
Earth      3.911e+11
Mars       4.358e+11
Jupiter    4.253e+11
Saturn     4.381e+11
Uranus     3.836e+11
Neptune    3.792e+11
Pluto      3.995e+11