Obs. : 2010-10-01
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.898e+11
Venus      3.870e+11
Earth      3.753e+11
Mars       3.870e+11
Jupiter    3.772e+11
Saturn     3.898e+11
Uranus     3.772e+11
Neptune    3.715e+11
Pluto      3.812e+11