Obs. : 2011-03-01
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.979e+11
Venus      3.657e+11
Earth      3.913e+11
Mars       3.833e+11
Jupiter    4.025e+11
Saturn     3.733e+11
Uranus     4.025e+11
Neptune    3.833e+11
Pluto      3.567e+11