Have you ever thought about what happens to the wastes
of spaceships that stay around our atmosphere? At the moment, there is a
project to clean them that started the first of June 2011 and will last three
years.
This project was created in order to protect
satellites from debris which can collision with them. Screws, a piece of an
antenna broken off from an old satellite or a glove are the most common wastes
that we can find over the atmosphere. Recently, the number of this debris is
exponentially increasing and they are trapped because of Earth’s gravity.
The project is based on an innovative ground-based
laser which can remove dangerous medium debris (from 1 cm to 10 cm).
Actually, there is not a definitive solution to clean
up the space but what the project pretends to identify and track the debris, modify
its speed and as a result, its orbit course to a lower one with ground-based
laser stations. Finally debris will re-entry to the atmosphere where they will
burn and “disappear”.
Rovira i Virgili University (Tarragona, Catalonia) is
cooperating with other business and research groups from countries like
Germany, France and Poland. This project has been created by the European
Commission to promote innovation and research between European Union countries.
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