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6.8K views · 120 reactions | When Pluto was downgraded to a dwarf planet in 2006, it caused quite a stir. This Space Saturday, we take a look at what it means to be a dwarf
When Pluto was downgraded to a dwarf planet in 2006, it caused quite a stir. This Space Saturday, we take a look at what it means to be a dwarf planet in...
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