How might you make a new Earth? Our Terran "test kitchen" has given us a detailed recipe, it just wasn't clear how transposable it was in other areas, the same way a recipe in Los Angeles might not work as well in Denver. Now, astronomers have found evidence that the recipe for Earth also applies to terrestrial exoplanets orbiting distant stars.
"Our solar system is not as unique as we might have thought," says lead author Courtney Dressing of the Harvard-Smithsonian Center for Astrophysics (CfA). "It looks like rocky exoplanets use the same basic ingredients."
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