Obs. : 2008-11-24
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.538e+11
Venus      3.566e+11
Earth      3.460e+11
Mars       3.597e+11
Jupiter    3.532e+11
Saturn     3.376e+11
Uranus     3.494e+11
Neptune    3.510e+11
Pluto      3.521e+11