Obs. : 2013-07-29
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.201e+11
Venus      4.027e+11
Earth      3.915e+11
Mars       4.201e+11
Jupiter    4.201e+11
Saturn     4.092e+11
Uranus     3.998e+11
Neptune    3.870e+11
Pluto      3.915e+11