Obs. : 2010-03-17
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.709e+11
Venus      3.704e+11
Earth      3.826e+11
Mars       3.780e+11
Jupiter    3.687e+11
Saturn     3.819e+11
Uranus     3.687e+11
Neptune    3.683e+11
Pluto      3.685e+11