Orion1 Posted December 5, 2020 Share Posted December 5, 2020 Stephen Hawking thought an asteroid impact posed the greatest threat to life on Earth. Thanks to <deleted> for sponsoring this video. Any Discussions About This Topic Thread? Link to comment Share on other sites More sharing options...
swansont Posted December 5, 2020 Share Posted December 5, 2020 ! Moderator Note Posting videos to advertise a channel is against the rules. Posting a video without sufficient description to allow discussion without watching it is against the rules. Link to comment Share on other sites More sharing options...
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