Obs. : 2009-06-07
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.597e+11
Venus      3.496e+11
Earth      3.564e+11
Mars       3.567e+11
Jupiter    3.465e+11
Saturn     3.754e+11
Uranus     3.439e+11
Neptune    3.465e+11
Pluto      3.582e+11