Pluto was reclassified as a dwarf planet in 2006, but NASA’s New Horizons mission discovered interesting features such as ice volcanoes, floating mountains, and rapidly twirling moons. Pluto’s hills and small mountains are made of ice and ripple in a glacial sea of nitrogen. The mountains are likely as big as the Rocky Mountains and […]
Pluto is a dwarf planet in the outer solar system, second largest in the Kuiper belt. Discovered in 1930, it has a brownish color, three moons, and an average surface temperature of 49 K. The New Horizons spacecraft will approach Pluto in 2015. Pluto is an outer solar system body formerly known as a planet, […]
Pluto’s orbit ranges from 4.4 to 7.4 billion kilometers from the sun, taking 248 Earth years to complete. It was reclassified as a dwarf planet in 2006. Pluto orbits the sun at a distance ranging from 4.4 to 7.4 billion kilometers (2.7 to 4.6 billion miles). By comparison, the Earth orbits only 150 million kilometers […]
