Asteroid 2024 YR4 caused quite a stir last year when it was discovered and originally calculated to have a 3% chance of hitting Earth. Since then models have been refined and while it no longer has a ...
What If on MSN
What If Earth and Moon Switched Sizes?
Imagine for a moment that Earth suddenly shrank to the size of the Moon, while the Moon expanded to the size of Earth. How would life on our planet change? Could humans survive this dramatic cosmic ...
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