Dream-walking towards a planetoid bomb

NASA’s DART mission to redirect an asteroid is billed as potentially planet-saving. But in the wrong hands it has seriously destructive potential.

In September 2022 an event of planetary importance will take place. With the assistance of a privately funded rocket, NASA’s DART mission will test the feasibility of redirecting an asteroid. The mission is, in NASA’s words, “to test and validate a method to protect Earth in case of an asteroid impact threat”. NASA’s spacecraft will crash head-on into a small asteroid called Dimorphos, with the aim of altering its orbit around a larger asteroid, Didymos.

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