What would happen if everyone on Earth went to the same place and jumped?

There are more than 8 billion people living on our big wonderful planet. What if all of those people traveled to the exact same spot on Earth and jumped at the same time? What would happen? Would we move the Earth? We asked physicist Dr. Kiley Kennedy to help us find the answer. Got a question jumping around in your brain? Send it to us at BrainsOn.org/contact, and we’ll find an answer that moves you!