Obs. : 2011-12-18
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.554e+11
Venus      4.672e+11
Earth      4.621e+11
Mars       4.474e+11
Jupiter    4.544e+11
Saturn     4.439e+11
Uranus     4.561e+11
Neptune    4.619e+11
Pluto      4.676e+11