http://cache.io9.com/assets/base/img/thumbs140x140/io9.com.png http://io9.com/tag/gregory henry http://io9.com/tag/gregory henry

Do you remember that one episode of Mythbusters, when they wanted to find out what would happen if two Earth-sized planets smashed into each other, so they called in some favors and got a solar system with two Earth-sized planets, smashed them together, then showed the awesome high-speed camera footage of it over and over? Me neither. But we can pretend it really happened, because scientists found a solar system littered with the remains of two shattered planets. Could it happen here? More »
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