Obs. : 2010-01-30
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.706e+11
Venus      3.843e+11
Earth      3.624e+11
Mars       3.624e+11
Jupiter    3.859e+11
Saturn     3.599e+11
Uranus     3.816e+11
Neptune    3.843e+11
Pluto      3.644e+11