Obs. : 2013-03-05
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.847e+11
Venus      3.847e+11
Earth      4.363e+11
Mars       3.915e+11
Jupiter    4.068e+11
Saturn     3.993e+11
Uranus     3.911e+11
Neptune    3.847e+11
Pluto      3.776e+11