Obs. : 2010-07-18
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.824e+11
Venus      3.834e+11
Earth      3.840e+11
Mars       3.886e+11
Jupiter    3.814e+11
Saturn     3.922e+11
Uranus     3.814e+11
Neptune    3.820e+11
Pluto      3.858e+11