Obs. : 2008-10-05
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.438e+11
Venus      3.545e+11
Earth      3.463e+11
Mars       3.506e+11
Jupiter    3.543e+11
Saturn     3.352e+11
Uranus     3.463e+11
Neptune    3.499e+11
Pluto      3.579e+11