Obs. : 2009-07-03
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.517e+11
Venus      3.529e+11
Earth      3.521e+11
Mars       3.470e+11
Jupiter    3.501e+11
Saturn     3.765e+11
Uranus     3.494e+11
Neptune    3.501e+11
Pluto      3.641e+11