Obs. : 2013-07-11
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.235e+11
Venus      4.270e+11
Earth      4.357e+11
Mars       4.272e+11
Jupiter    4.272e+11
Saturn     4.442e+11
Uranus     4.398e+11
Neptune    4.405e+11
Pluto      4.357e+11