(Express) – A deeply unnerving animation depicting the likely outcome of a collision between Earth and a 500km wide asteroid has been released – and it’s not pretty. The Discovery Channel video makes no effort to mask the nightmarish apocalypse such an asteroid would wreak across the world on impact in its ‘Large Asteroid Impact Simulation’. As the spherical space rock hits,

a hypersonic shockwave covers the surface of the Earth as a column of rock blasts up beyond the atmosphere. Then the planet is engulfed in its entirety by an unstoppable wall of fire – from mountains to jungle, the planet is shown being reduced to ash. Just one day later, the surface of the Earth is rendered completely uninhabitable. It is estimated that this has happened at least six times in Earth’s history. READ MORE

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