A HUGE chunk of the Earth’s crust is MISSING – and experts now know why A LARGE chunk of the Earth equivalent to a billion years of rock formation is missing from our planet’s crust, and scientists finally understand why. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Lyrid meteor shower 2018: When is the meteor shower and how to see the Lyrids this monthIs there life on Venus: SHOCK discovery finds alien life might exist in Venus’ cloudsThe Story Behind Japan’s Bathing MonkeysSupergiant NINE BILLION light years away is the furthest star ever discoveredNonfiction: A Reckoning With an Imperfect Science in ‘Blue Dreams’Now Read This: Discussion Questions for the PBS NewsHour-New York Times Book Club’s April Pick: ‘The Death and Life of the Great Lakes’