Obs. : 2011-06-08
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.958e+11
Venus      3.966e+11
Earth      4.035e+11
Mars       3.966e+11
Jupiter    4.109e+11
Saturn     3.817e+11
Uranus     4.120e+11
Neptune    4.104e+11
Pluto      4.035e+11