Obs. : 2008-12-26
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.519e+11
Venus      3.532e+11
Earth      3.494e+11
Mars       3.462e+11
Jupiter    3.519e+11
Saturn     3.416e+11
Uranus     3.510e+11
Neptune    3.532e+11
Pluto      3.462e+11