On this date: New Horizons probe launches for Pluto and beyond
NASA launched the New Horizons probe which would provide never-before-seen images of the dwarf planet, its moons and other objects.
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Clyde Tombaugh: The astronomer who discovered Pluto
In 2006, almost a decade after Tombaugh's death, the International Astronomical Union reclassified Pluto as a dwarf planet. The New Horizons mission carries some of Tombaugh's ashes on board as it ...