Obs. : 2010-05-05
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.865e+11
Venus      3.910e+11
Earth      3.920e+11
Mars       3.959e+11
Jupiter    3.769e+11
Saturn     4.043e+11
Uranus     3.769e+11
Neptune    3.719e+11
Pluto      3.816e+11