Obs. : 2010-07-03
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.843e+11
Venus      3.855e+11
Earth      3.837e+11
Mars       3.920e+11
Jupiter    3.754e+11
Saturn     3.920e+11
Uranus     3.754e+11
Neptune    3.787e+11
Pluto      3.865e+11