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Spin-Reversing Comet May Face Self-Destruction

Comets are known for providing breathtaking observations of their long and shiny tails when they travel too close to the Sun. This happens because comets are made of ice and primarily orbit far from the Sun, but as their icy core heats up it evaporates, resulting in the aforementioned breathtaking observations. But while evaporating comets make for great public photos, scientists who study comets are focused on these snowballs of gas and dust and how they are remnants of the origins of the solar system about 4.6 billion years ago.

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