NASA 2023 asteroid impact risk: Asteroid twice size of Big Ben could SMASH Earth NASA has just smashed another astronomical milestone, with their InSight probe safely landing on Mars’ surface. Their well-earned achievement comes as the agency reveals the chances of a huge asteroid impacting earth in 2023. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Virgin Galactic Flight: Where is the Virgin Galactic SpaceShipTwo right now?Virgin Galactic Flight LIVE: Galactic SpaceShipTwo path MAPPED - hits edge of outer spaceGeminids 2018: TONIGHT is the BEST time to watch the Geminid Meteor ShowerN.I.H. to Scrutinize Private Donations to Scientific Research ProjectsNASA’s InSight lander beams SELFIE back from Mars - ‘SAY CHEESE!’Geminids 2018 from India, USA and UK: How to spot Geminid meteor shower in the sky