Obs. : 2008-12-12
Planet     Ly alpha
Mercury    7.241e+11
Venus      7.267e+11
Earth      7.135e+11
Mars       7.160e+11
Jupiter    7.267e+11
Saturn     7.111e+11
Uranus     7.154e+11
Neptune    7.170e+11
Pluto      7.241e+11