Obs. : 2010-05-23
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.746e+11
Venus      3.771e+11
Earth      3.757e+11
Mars       3.857e+11
Jupiter    3.671e+11
Saturn     3.862e+11
Uranus     3.671e+11
Neptune    3.646e+11
Pluto      3.731e+11