Obs. : 2008-07-28
Planet     Ly alpha
Mercury    3.652e+11
Venus      3.726e+11
Earth      3.653e+11
Mars       3.775e+11
Jupiter    3.744e+11
Saturn     3.775e+11
Uranus     3.594e+11
Neptune    3.622e+11
Pluto      3.770e+11