Obs. : 2011-12-30
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.373e+11
Venus      4.304e+11
Earth      4.366e+11
Mars       4.266e+11
Jupiter    4.364e+11
Saturn     4.266e+11
Uranus     4.301e+11
Neptune    4.284e+11
Pluto      4.385e+11