Lauren Rojas is a [7th grader in Antioch, Calif](http://www.youtube.com/watch?v=5REsCTG4-Gg&feature=player_embedded)., and her class assignment was to test the effects of altitute on air pressure and temperature. The balloon reached 93,625 feet above the Earth at its peak, the [NY Daily News ](http://www.nydailynews.com/news/national/girl-launches-kitty-space-science-article-1.1253964)reports. When it fell back to the ground, it landed nearly 47 miles away from its launch point.