Obs. : 2008-07-18
Planet     Ly alpha
Mercury    3.705e+11
Venus      3.716e+11
Earth      3.746e+11
Mars       3.768e+11
Jupiter    3.826e+11
Saturn     3.768e+11
Uranus     3.713e+11
Neptune    3.746e+11
Pluto      3.825e+11