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Asteroid Trackers looks at efforts to track Apophis, an asteroid that could come dramatically close to Earth in 2029 and again in 2036. Asteroid Trackers delves into various facets of asteroid research around the world and reveals how experts are attempting to protect the world from asteroids and other near-Earth objects (NEOs). Whether it's determining the composition of the asteroids so they can be destroyed effectively or swarming them with reflective mirrors, find out which deflection methods are pushing the boundaries of technology to protect the planet from yet another cosmic collision.