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And the new study introduces a new question that the crash may have been the catalyst for life to form on Earth. So chemical compounds, chemical compounds like hydrogen and carbon, they're volatile, meaning that they vaporize easily. And they're also essential for life. So near the Sun, temperatures get too high for these to condense, so they stay in a gaseous state near the Earth. So much further from the Sun, these substances are environments on Jupiter and Saturn, as well as on Earth and asteroids. You can find these materials there. They condense, they've aggregated, no problem.