Obs. : 2010-02-25
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.961e+11
Venus      3.954e+11
Earth      3.678e+11
Mars       3.692e+11
Jupiter    3.954e+11
Saturn     3.690e+11
Uranus     3.899e+11
Neptune    3.961e+11
Pluto      3.705e+11