Obs. : 2010-05-11
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.783e+11
Venus      3.806e+11
Earth      3.710e+11
Mars       3.754e+11
Jupiter    3.786e+11
Saturn     3.656e+11
Uranus     3.786e+11
Neptune    3.754e+11
Pluto      3.713e+11