The claim says Earth is supposedly going to lose gravity for about seven seconds. According to the posts, people could suddenly float into the air, vehicles and other objects could become airborne, and millions could die when gravity supposedly comes roaring back. But there's no evidence that this secret NASA project exists, and NASA has specifically rejected the idea that Earth will lose its gravity on August 12. George Frey, Getty Images Annular Solar Eclipse Passes Over The United StatesSo What's Actually Happening August 12? A total solar eclipse will cross parts of Greenland, Iceland, northern Russia, the Atlantic Ocean, Spain and a small portion of Portugal.