Cracker sized satellites launching with Space Shuttle.
http://www.csmonitor.com/Science/2011/0429/Cracker-size-satellites-to-launch-with-Space-Shuttle-Endeavour A new mini satellite has need developed to drift down through the atmosphere upon release and gather information about the makeup of the atmosphere of the planet being studied. They could drift slowly down through the atmosphere and sample the various layers on the way down giving humanity a valuable insight into the real … Read more