meteorites

1. Objects from outside the Earth that enter the Earth's field of gravitation and fall to the Earth's surface. Meteors, on the other hand, are objects from space that burn up in the Earth's atmosphere.

Meteorites are bodies that are left over from the time when the planets formed, and therefore give us clues about the formation of the solar system.

Example Sentences

The researchers analyzed more than 400 samples, ranging from modern plants and animals to billion-year-old fossils and meteorites.

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"Our model ties together two things that didn't seem to fit before -- the isotopic fingerprints in meteorites, which come in two flavors, and the dynamics of planet formation," Srivastava explained.

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The researchers discovered that as water moves through these plants, it experiences such intense natural filtration that its oxygen isotope signatures become similar to those seen in meteorites or other extraterrestrial materials.

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The researchers also suggest that similar high-energy irradiation processes may explain how diamonds form naturally in meteorites or uranium-rich rocks.

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Over time, this material coalesced into solid objects, forming the first meteorites.

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