:::::::::::: I agree with your points about velocity and distance (and Sagan!). Please add as you think best.--[[User:Aschlafly|Andy Schlafly]] 21:30, 11 February 2010 (EST)
:::::::::::: I agree with your points about velocity and distance (and Sagan!). Please add as you think best.--[[User:Aschlafly|Andy Schlafly]] 21:30, 11 February 2010 (EST)