Harpoons, robots and lasers: how to capture space junk and bring it back to Earth

An estimated 130 million objects smaller than 1cm are in orbit. Image: Pexels/Pixabay

Ralph Cooney

Professor Emeritus in Advanced Materials, University of Auckland


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Mega constellations of satellites currently being sent into space by corporations such as SpaceX and Amazon are expected to transform access to the internet for all countries. Image: Unsplash/SpaceX

Collisions between space objects creating ever more debris, could also damage our global communications and navigation systems. Image: The Conversation.
A ClearSpace chaser is designed to use robotic arms to capture space debris. Image: The Conversation.


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