Meteorite that hit home contains "alien world chemistry," experts say

A meteorite that impacted a New Jersey residence in July 2024 has revealed a treasure trove of prebiotic molecules and essential "building blocks of life," according to astronomers. The discovery, detailed in a recent paper published in the journal Science Advances, offers significant insights into the potential origins of life on Earth.

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one of the most scientifically valuable meteorites ever recovered

The homeowner meticulously preserved the meteorite fragments, allowing an international team of experts to conduct a thorough forensic study. The analysis identified the meteorite as a rare, primitive CM1/2 carbonaceous chondrite. This classification, coupled with it being only the second observed fall of its kind, makes it "one of the most scientifically valuable meteorites ever recovered," as stated by the SETI Institute.

Remarkably, the study found evidence that the parent asteroid was once covered in "concentrated salty fluids," or brine. This observation, never before seen on such an object, indicates the presence of liquid water that subsequently evaporated. The high salt concentration in brines is known to facilitate the creation of molecules crucial for life on Earth, potentially sparking chemical reactions and keeping vital components suspended in solution.

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concentrated salty fluids

Cosmochemists suggest that carbonaceous chondrite meteorites, like the one recovered, may have been instrumental in delivering organic matter to the early Earth. The meteorite contained numerous soluble organic compounds, including magnesium organic compounds and amino acids. Some of these compounds may have formed from the brine, while others could be the result of earlier impacts on the parent asteroid. The presence of this "alien world chemistry" strengthens the hypothesis that meteorites played a key role in seeding Earth with the organic materials necessary for life to emerge.

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delivered organic matter to the early Earth

Following its scientific study, some fragments of the meteorite will be housed at the American Museum of Natural History in New York City. The meteorite's trajectory passed over New York City before its landing in New Jersey, adding a local connection to this significant astronomical find. Museum curator Denton Ebel expressed excitement, stating, "We are thrilled that nature delivered such a precious asteroid sample on our doorstep."

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alien world chemistry