Obs. : 2010-01-08
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.669e+11
Venus      3.669e+11
Earth      3.660e+11
Mars       3.660e+11
Jupiter    3.870e+11
Saturn     3.493e+11
Uranus     3.875e+11
Neptune    3.870e+11
Pluto      3.594e+11