Obs. : 2010-03-26
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.885e+11
Venus      3.853e+11
Earth      3.702e+11
Mars       3.713e+11
Jupiter    3.783e+11
Saturn     3.671e+11
Uranus     3.869e+11
Neptune    3.688e+11
Pluto      3.637e+11