The European Space Agency (ESA) is set to launch a mission that will assess how effective humanity could be in protecting Earth from an asteroid impact. Called Hera, the mission will visit a rock blasted by a NASA spacecraft in 2022 to analyse the effects of the deflection effort.

“It seems like we hit it hard enough and we reshaped it,” says Harrison Agrusa, a Hera team member and a planetary scientist at the Côte d’Azur Observatory (OCA) in Nice, France.

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