We can usually match a meteorite to its asteroid family, but not this time Stocktrek Images, Inc./Alamy
A minuscule meteorite unlike any聽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 in a 2-millimetre meteorite found in Antarctica, called TAM19B-7. When they looked at the different carbon isotopes in the micrometeorite, they聽were in for a surprise.
鈥淪ome of the areas in the micrometeorite have the exact same composition as Earth,鈥 says Bose. 鈥淏ut there were some regions that were…
