The groundbreaking New Horizons mission blazed past Pluto in 2015, transforming our view of the dwarf planet from just a speck to a complex world with changing geology, ice volcanoes, jagged spikes and more. But it almost didn't happen -- time after time.
The groundbreaking New Horizons mission blazed past Pluto in 2015, transforming our view of the dwarf planet from just a speck to a complex world with changing geology, ice volcanoes, jagged spikes and more. But it almost didn't happen -- time after time.
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