Obs. : 2010-06-09
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.770e+11
Venus      3.807e+11
Earth      3.623e+11
Mars       3.831e+11
Jupiter    3.712e+11
Saturn     3.796e+11
Uranus     3.712e+11
Neptune    3.650e+11
Pluto      3.630e+11