Obs. : 2008-04-14
Planet     Ly alpha
Mercury    3.386e+11
Venus      3.386e+11
Earth      3.195e+11
Mars       3.323e+11
Jupiter    3.049e+11
Saturn     3.235e+11
Uranus     3.171e+11
Neptune    3.058e+11
Pluto      3.076e+11