Natural abundances vary based on the planet and its formation history. For example, Mars and Earth have different oxygen isotope ratios. It has been suggested that the moon was formed when a planet-sized object struck a glancing blow on Earth. Although the cores remained largely intact, the remnants of these two bodies eventually reformed into Earth and moon.

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oofermemey oofermemey

01-10-2020
Chemistry

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Natural abundances vary based on the planet and its formation history. For example, Mars and Earth have different oxygen isotope ratios. It has been suggested that the moon was formed when a planet-sized object struck a glancing blow on Earth. Although the cores remained largely intact, the remnants of these two bodies eventually reformed into Earth and moon.

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Answer: Planetary scientists have long believed that our moon formed following a collision between Earth and another planet, but studies of Earth and moon rocks suggest ... in its history, Earth was struck a glancing blow by a Mars-sized planet. ... Oxygen, for example, comes in different varieties, called isotopes.The Giant Impact, as pictured in a painting by William K. Hartmann on the ...

Explanation: I hope this was very helpful and A Mars-sized object known as Theia (“mother of the Moon”) crossed into Earth's orbit, ... If this giant impact theory is correct, there should be evidence ... which suggest Theia struck Earth with a glancing blow, the new work implies ... and 18O/16O ratios, scientists can infer different planetary origins by taking ..