American and European scientists are testing a surprising theory that all comets in our solar system come from a single point in space time, right when planets were still forming around our newly-born sun.
The scientists used chemical models in a small scale survey of some 14 well-known comets to see if their composition could point to a particular point of origin. Surprisingly, it did.
“We did some statistics to pin down if there was a special time or place in our young Solar System, where our chemical models meet the data on comets,” astronomer Christian Eistrup said.
“There was a single model that fitted each comet best, thereby indicating that they share their origin.” (RT)
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