Obs. : 2008-12-15
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.553e+11
Venus      3.533e+11
Earth      3.461e+11
Mars       3.493e+11
Jupiter    3.577e+11
Saturn     3.429e+11
Uranus     3.458e+11
Neptune    3.533e+11
Pluto      3.553e+11