Obs. : 2010-06-25
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.687e+11
Venus      3.752e+11
Earth      3.783e+11
Mars       3.904e+11
Jupiter    3.678e+11
Saturn     3.966e+11
Uranus     3.678e+11
Neptune    3.733e+11
Pluto      3.855e+11