Obs. : 2012-05-25
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.600e+11
Venus      4.449e+11
Earth      4.320e+11
Mars       4.397e+11
Jupiter    4.600e+11
Saturn     4.303e+11
Uranus     4.726e+11
Neptune    4.448e+11
Pluto      4.333e+11