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Logo of the program. The REXUS/BEXUS (Rocket Experiments for University Students / Balloon Experiments for University Students) programme is a cooperation between the German Aerospace Center (DLR) and the Swedish National Space Agency (SNSA) that allows students from higher education institutions to study experiments on board sounding rockets and stratospheric balloons. [1]
The balloon rocket can be used easily to demonstrate simple physics, namely Newton’s third law of motion. [2] A common experiment with a balloon rocket consists in adding other objects such as a string or fishing line, a drinking straw and adhesive tape to the balloon itself. The string is threaded through the straw and is attached at both ...
A rockoon (from rocket and balloon) is a sounding rocket that, rather than being lit immediately while still on the ground, is first carried into the upper atmosphere by a gas-filled balloon, then separated from the balloon and ignited. This allows the rocket to achieve a higher altitude, as the rocket does not have to move under power through ...
Balloon rockets work because the elastic balloons contract on the air within them, and so when the mouth of the balloon is opened, the gas within the balloon is expelled out, and due to Newton's third law of motion, the balloon is propelled forward. This is the same way that a rocket works.
As Rocket Lab argues, other companies' proposals will probably cost between $5.8 billion and $7.7 billion, and won't be ready to go until at least 2035, maybe as long as 2039.
By 1952, Van Allen was the first to devise a balloon-rocket combination that lifted rockets on balloons high above most of the Earth's atmosphere before firing them even higher. The rockets were ignited after the balloons reached an altitude of 16 kilometers. James Van Allen holding (Loki) instrumented Rockoon, Credit: JPL
A rocket's required mass ratio as a function of effective exhaust velocity ratio. The classical rocket equation, or ideal rocket equation is a mathematical equation that describes the motion of vehicles that follow the basic principle of a rocket: a device that can apply acceleration to itself using thrust by expelling part of its mass with high velocity and can thereby move due to the ...
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