Obs. : 2009-11-11
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.832e+11
Venus      3.612e+11
Earth      3.522e+11
Mars       3.476e+11
Jupiter    3.729e+11
Saturn     3.447e+11
Uranus     3.624e+11
Neptune    3.687e+11
Pluto      3.859e+11