I'm blue da ba di da ba dai!
Posted by: shadowknight566
Send a small rocket ship to greet them or make a transmission. I'm pretty sure no one in their right minds would start firing at the first sight of intelligent life outside of Earth.Not just for intellectual reason, who would shoot at an civilisation that can travel the stars.
That's like if a tribesman shot down a U.S. military aircraft.
[Edited on 12.15.2012 8:48 AM PST]