Скачать или смотреть Can 8 Billion People Knock Earth Off Its Orbit? (The Science)

What If Every Human JUMPED at the Same Time? 🤯

We love a dramatic event! The idea of *8 billion people* jumping simultaneously is a fantastic thought experiment to explore one of the universe's core principles: **Newton's Third Law**—for every action, there's an equal and opposite reaction. Could we actually move the Earth? It's a battle between human power and cosmic physics!

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The Math Behind the Leap

Let's crunch the numbers to see how this colossal force measures up:

| Entity | Approximate Mass (kg) |
| :--- | :--- |
| *All of Humanity* | $5 \times 10^{11}$ kg |
| *The Earth* | $6 \times 10^{24}$ kg |

The mass of the Earth is literally *trillions of times* greater than the combined mass of all humans! This massive difference is the key to the answer.

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The Anti-Climactic Reality 🤦

So, what would actually happen when 8 billion people jump at once?

*Earth Barely Budges:* The planet *would* move in the opposite direction due to the conservation of momentum, but only by an infinitesimal amount—about $3 \times 10^{-14}$ meters. That's less than the width of a **hydrogen atom**! The movement is so minuscule, it's impossible to perceive.
*No Orbit Change:* As soon as everyone lands, the Earth would immediately move back to its original position, returning to the system's center of gravity. Our *orbit and axis would be completely unaffected* and stable.
*Local Chaos:* The real drama would be *local**! If everyone gathered on one continental plate, the combined force of landing would create an incredible, localized shockwave. Imagine an **$8.0$ magnitude earthquake* limited to that specific area. The noise alone would be absolutely **deafening**!

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Clarity Compass Wrap-Up

We can't knock the Earth off its axis, but we could make one very loud sound! The universe's fundamental laws of *mass* and *momentum* keep our cosmic home safe, preventing any human-powered disaster.

If you want more reality checks on massive ideas and physics deep dives, make sure to **Subscribe**! 👇

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\#NewtonThirdLaw \#GlobalJump \#ConservationOfMomentum \#Physics \#EarthFacts