horizons

Because Neptune’s gravity influences its neighbouring planet Pluto, and Pluto shares its orbit with frozen gases and objects in the Kuiper belt, that meant Pluto was out of planet status. Pluto takes 248 Earth years to full a single orbit of the Sun, and its distance varies from its closest point of 30 AU (2.7 billion miles), to 50 AU (four.six billion miles). Pluto’s downgrade from planet to dwarf planet remains really contentious to this day. Even now, there are men and women in positions of power at NASA who strongly assistance Pluto’s reclassification as a planet, although other people...