One Pluto year equals 248 Earth years. At 1473 miles in diameter—about half the width of the United States—Pluto is the ...

Pluto's orbit: Quick facts Pluto's rotation is retrograde compared to the solar systems' other worlds; it spins backward, from east to west. Average distance from the sun: 3,670,050,000 miles ...

Facts about NASA's New Horizons mission ... NASA's New Horizons became the first spacecraft to visit dwarf planet Pluto in July 2015. The far-traveling spacecraft also visited a distant Kuiper ...

So far we have received about half of the 50 gigabits of data it collected while passing Pluto. Using what they have so far scientists are learning more about Pluto and its moons every day.

For more Pluto coverage, check out 9 Facts About Pluto You Need to Know. Contact us at [email protected] ...

Calçada and Nick Risinger (skysurvey.org) // CC BY 4.0 Far beyond the orbit of Pluto exists a celestial body that’s a little smaller, a little colder, and a little denser—the dwarf planet Eris.

When the International Astronomical Union (IAU) demoted Pluto from a planet to a dwarf planet in 2006, it surprised a lot of people, including some scientists. Even many years later, some ...