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All comets in our solar system may come from the same place

All comets in our solar system may come from the same place

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All comets might share their place of birth, new research says. For the first time ever, astronomer Christian Eistrup applied chemical models to fourteen well-known comets, surprisingly finding a clear pattern. His publication has been accepted in the journal Astronomy & Astrophysics. Comets: balls of ice or more? Comets travel through our solar system and are composed of ice, dust, and small rock-like particles. Their nuclei can be as large as tens of kilometers across. Christian Eistrup says: “Comets are everywhere, and sometimes with very funky orbits around the Sun. In the past, comets even have hit the Earth. We know what comets consist of and which molecules are present in them. They vary in composition, but are normally seen as just one group of icy balls. Therefore, I wanted to know whether comets are indeed one group, or whether different subsets can be made.”
Source: All comets in our solar system may come from the same place

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