Two decades ago, the International Astronomical Union—which defines and names celestial bodies—redefined the criteria for being a planet, putting Pluto into the new category of dwarf planet ...
It's been 20 years since Pluto lost its status as the ninth planet of the solar system, but we still can't seem to let it go. Reading time 3 minutes Pluto remains one of the great generational divides ...
NASA chief Jared Isaacman’s call to restore Pluto’s planetary status has reignited a long-running scientific debate over ...
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