A Puzzling Gravitational Pull | What on Earth? What could be the cause of this excessive gravitational pull? A volcano, or perhaps something else? Facebook Prev Article Next Article Discover Checkout these cool gadgets... Related Posts Why has it been so hot?? What If The President Were A Robot? The Insane Doomsday Weapon That America Almost Built How Will SpaceX Get Us To Mars for Much Cheaper? The Largest Electrical Current in the Universe 10 Things We Didn’t Know 100 Years Ago