The risk of the 2024 YR4 asteroid hitting Earth at the end of 2032 has increased, University of Oxford's Professor Stephen Smartt explains what the impacts of a collision could be. #worldnews #asteroid SUBSCRIBE to our YouTube channel for more videos: http://www.youtube.com/skynews Follow us on Twitter: https://twitter.com/skynews Like us on Facebook: https://www.facebook.com/skynews Follow us on Instagram: https://www.instagram.com/skynews Follow us on TikTok: https://www.tiktok.com/@skynews

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