Obs. : 2009-04-29
Planet	Ly alpha
Mercury    3.195e+11
Venus      3.148e+11
Earth      3.176e+11
Mars       3.148e+11
Jupiter    3.028e+11
Saturn     3.151e+11
Uranus     3.089e+11
Neptune    3.048e+11
Pluto      3.050e+11