9 Of Life's Most Important Questions Answered By Science

1. What If Everyone On Earth Jumped At Once?

With seven billion of us now on planet Earth, you'd surely think that we'd be able to exert some kind of force over it.

We all know that ever force exerts an equal and opposite reaction, so if we all somehow managed to gather in one place for the big group jump, we would actually push the Earth away from us. Unfortunately, as the Earth has roughly 600,000 billion more mass than every human on Earth combined, we would move it roughly one-hundredth of the radius of a single atom.

Then it would spring back as though nothing had happened. If we all jumped from our positions right now, the effect would be so spread out as to be negligible.

To actually alter the Earth's orbit in any kind of significant way, it would take hundreds of billions of times the amount of energy generated on Earth each year.

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