He calls himself an "accessory" to the demotion of Pluto in an interview with NBC News' Lester Holt. Tyson uses Pluto's mass and its orbit crossing with that of Neptune as two major sticking point for classifying it as a dwarf planet.
He calls himself an "accessory" to the demotion of Pluto in an interview with NBC News' Lester Holt. Tyson uses Pluto's mass and its orbit crossing with that of Neptune as two major sticking point for classifying it as a dwarf planet.
Share this Article
Recommended