• dwarf planets
-- Ceres, Pluto, Eris, Makemake, Haumea, Charon, Dysnomia
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○○○ errant ⪢⪢
They called these errant objects planets, a word that means wandering stars.
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○○○ look up ⪢⪢
Thousands of years ago, ancient astronomers looked up at the sky.
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○○○ think ⪢⪢
Some of the things they thought were stars were moving in ways they didn't expect.
16411#15563 SIBLINGS CHILDREN 15563

Pillow English Listening