Obs. : 2011-02-14
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.953e+11
Venus      3.955e+11
Earth      4.050e+11
Mars       3.953e+11
Jupiter    3.803e+11
Saturn     4.023e+11
Uranus     3.803e+11
Neptune    3.916e+11
Pluto      3.927e+11