Obs. : 2010-01-14
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.509e+11
Venus      3.637e+11
Earth      3.712e+11
Mars       3.702e+11
Jupiter    3.550e+11
Saturn     3.561e+11
Uranus     3.543e+11
Neptune    3.581e+11
Pluto      3.509e+11