Ancient grains inside one of the oldest known meteorites reveal that a surprisingly strong magnetic field existed during the solar system’s first 200,000 years. The discovery suggests magnetism worked ...
Ancient iron meteorites reveal that some of the Solar System’s first solid bodies were built mostly from tiny heat-forged rock beads called chondrules, while water-rich dust was largely excluded. The ...
How did the first solids that made up planets, moons and asteroids form from the "hot soup" that characterized our solar system's earliest years? New research from Caltech analyzing pieces of a ...
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Ancient oxygen signatures in meteorites trace origins of early solar system organics
Before our planet had oceans, air, or even a solid surface, the raw ingredients ...
Our solar system is filled with rocky debris tumbling around the sun, most of which is the same age, but sometimes you find something much older.
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