Latest / What If: Science, Theory, and Possibilities
Betelgeuse Replacing Our Sun: What Happens?
You can fit over a million Earths inside our Sun, but Betelgeuse, a massive red supergiant, could engulf over a billion Suns. It's in its final fusion cycles, nearing a violent supernova.
If Betelgeuse replaced our Sun, it would consume half the Solar System before exploding. Survival prospects? Not promising. Explore this scenario and more.
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The skinny
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