Obs. : 2010-03-21
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.860e+11
Venus      3.821e+11
Earth      3.776e+11
Mars       3.786e+11
Jupiter    3.910e+11
Saturn     3.736e+11
Uranus     3.929e+11
Neptune    3.884e+11
Pluto      3.770e+11