- MIT Scientists Find Traces of Earth Before Earth SciTechDaily
- Geologists discover the first evidence of 4.5-billion-year-old “proto Earth” MIT News
- Potassium-40 isotopic evidence for an extant pre-giant-impact component of Earth’s mantle Nature
- Scientist Have Uncovered The First Evidence of the 4.5-Billion-Year-Old “Proto Earth” Universe Today
- There’s an ancient version of planet Earth hidden all around us. Here’s how scientists found it BBC Sky at Night Magazine
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