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Warning: mysql_fetch_array() expects parameter 1 to be resource, boolean given in /home/admin/domains/scienceflicks.com/public_html/bcms/bcmscore.lib.php on line 1616 Sizing up aliens in Astronomy Physics Videos | Science Flicks
How big or small are aliens? Would they tower over us, or cower in fear at our enormity? Maybe they're just like us after all. SETI Institute Senior Astronomer Seth Shostak weighs in.
