Obs. : 2010-07-11
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.795e+11
Venus      3.743e+11
Earth      3.803e+11
Mars       3.805e+11
Jupiter    3.694e+11
Saturn     3.876e+11
Uranus     3.694e+11
Neptune    3.729e+11
Pluto      3.875e+11