Obs. : 2010-04-12
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.832e+11
Venus      3.832e+11
Earth      3.671e+11
Mars       3.675e+11
Jupiter    3.685e+11
Saturn     3.671e+11
Uranus     3.762e+11
Neptune    3.672e+11
Pluto      3.580e+11