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Earth is a less volatile version of the sun, say Australian researchers

Earth is a less volatile version of the sun, say Australian researchers

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Earth is a less volatile version of the sun, according to Canberra scientists who are working to address one of the most important missing pieces of information in determining whether other planets could be habitable. The Australian National University team found Earth was made of the same elements as the sun, but compared to the star at the centre of the solar system, our planet had less of the volatile elements like hydrogen, helium, oxygen and nitrogen. Dr Haiyang Wang led the study, which made the most comprehensive estimate yet of the composition of Earth and the sun. He said the researchers carried out the work as part of their aim to create a new tool that could measure the elemental composition of other stars and the rocky planets that orbit them. “The composition of a rocky planet is one of the most important missing pieces in our efforts to find out whether a planet is habitable or not,” Dr Wang said. Other rocky planets in the universe, like Earth, are de-volatised…
Source: Earth is a less volatile version of the sun, say Australian researchers