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YouTubeSpatial Theory
NASA Found a 4.5-Billion-Year-Old Space Fossil - The Arrokoth
Arrokoth, the Kuiper Belt object visited by NASA’s New Horizons, looks like two ancient icy bodies joined together — one big, one small. But the crazy part is: scientists think they didn’t smash violently. They may have merged slowly, at only a few meters per second. That means Arrokoth is like a near-pristine fossil from the birth of the ...
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