Obs. : 2013-05-31
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.291e+11
Venus      4.291e+11
Earth      4.425e+11
Mars       4.313e+11
Jupiter    4.288e+11
Saturn     4.374e+11
Uranus     4.374e+11
Neptune    4.289e+11
Pluto      4.425e+11