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Ground-Based Lasers Could Push Space Debris off Collision-Course Orbits

15 Apr 2021, 21:34 UTC
Ground-Based Lasers Could Push Space Debris off Collision-Course Orbits ESO/L. Calçada

Researchers at the Australian National University (ANU) are finding new uses for the laser-based technology that sharpens telescope imagery – called adaptive optics – and it just might help mitigate the world’s growing space debris problem. Purpose-built lasers could give derelict satellites a slight ‘push’ of photons, imparting just enough energy to change the debris’s orbit and prevent an impending collision.

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