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Source of picture (Slide 1) http://www.google.com.sg/imgres?q=outer+space&um=1&hl=en&sa=X&biw=1366&bih=667&tbm=isch&tbnid=5fEoOmPMCVOmVM:&imgrefurl=http://thingstolookathigh.com/the-galaxy/&docid=-wdeRTsSircV5M&imgurl=http://thingstolookathigh.com/wp-content/uploads/2011/04/outer-space-galaxy.jpg&w=1024&h=768&ei=shNxT-vKDpDKrAeo5fziDQ&zoom=1&iact=hc&vpx=374&vpy=377&dur=811&hovh=194&hovw=259&tx=78&ty=159&sig=105209999577370621120&page=1&tbnh=135&tbnw=188&start=0&ndsp=18&ved=1t:429,r:13,s:0
Orbit Earth’s atmosphere Moon Mercury Monkey Mars Stars sun Light year Dark Galaxy Milky way Aliens Solar-system Space shuttle Spaceman Space Rover Planets Black hole meteor Satellite Space Comet Shooting star Rockets Astronomy