Obs. : 2011-02-03
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.781e+11
Venus      3.687e+11
Earth      3.891e+11
Mars       3.855e+11
Jupiter    3.847e+11
Saturn     3.835e+11
Uranus     3.872e+11
Neptune    3.855e+11
Pluto      3.685e+11