8,931 followers Harold Geller @AstroBioProf "Dusty Planetary Systems" See http://t.co/0sibXsGQ 02 Mar 2012 Reply Repost Favourite
902 followers Alexander Wolf @ahenotri [1203.0005] Dusty Planetary Systems - http://t.co/bteQdYfH 02 Mar 2012 Reply Repost Favourite