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How Planets Form: From Cosmic Dust to Entire Worlds
Every planet you've ever seen began as leftover crumbs from a star's birth. This short breaks down how planets actually form from the flat disk of gas and dust left over after a star ignites, and why the same disk produces wildly different worlds. - Dust grains collide and stick together, growing from pebbles to boulders to full planets ...
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短视频

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