Obs. : 2010-06-29
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.831e+11
Venus      3.803e+11
Earth      3.847e+11
Mars       3.908e+11
Jupiter    3.774e+11
Saturn     3.939e+11
Uranus     3.774e+11
Neptune    3.784e+11
Pluto      3.904e+11