Obs. : 2013-01-12
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.388e+11
Venus      4.375e+11
Earth      4.634e+11
Mars       4.316e+11
Jupiter    4.414e+11
Saturn     4.398e+11
Uranus     4.311e+11
Neptune    4.327e+11
Pluto      4.388e+11