Asteroid

We can usually match a meteorite to its asteroid family, but not this time

Stocktrek Images, Inc./Alamy

A minuscule meteorite unlike any other we have discovered could help us understand the kinds of rocks that fill our solar system.

Maitrayee Bose at Arizona State University and her colleagues analysed the chemicals in a 2-millimetre meteorite found in Antarctica, called TAM19B-7. When they looked at the different carbon isotopes in the micrometeorite, they were in for a surprise.

“Some of the areas in the micrometeorite have the exact same composition as Earth,” says Bose. “But there were some regions that were …

source: newscientist.com

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