Pluto Facts: Everything you need to know about the smallest planets in the solar system


It was Pluto It was once considered the ninth and farthest planet from the sun, but it is now the largest known dwarf planet in the solar system, but how big is Pluto and how far is it from Earth?

What is the size of Pluto?

Pluto is the ninth largest and tenth largest known object that rotates directly around the sunPluto is about 1,400 miles wide, about half the width of the United States, or two-thirds the width of Earth’s moon, and its surface area is roughly the same as Russia.

How long does it take to reach Pluto from Earth?

The planets in the solar system travel in elliptical orbits so that their distances change constantly. Pluto is 4.67 billion miles from Earth, and at its closest point they are 2.66 billion miles away. On July 14, 2015, NASA’s New Horizons spacecraft flew over Pluto, becoming the first spacecraft And the only one who was able to do so, was launched on January 19, 2006, and the journey took nine and a half years.

How cold is the weather on Pluto?

Pluto is too cold to sustain life as its temperature ranges between -228 and -238 degrees Celsius, as the icy planet is one of the coldest places in the solar system, so the water that is vital to life as we know it is like rocks, according to NASA, However, its interior is much warmer and it is believed that there could be a deep ocean inside.

Why is Pluto no longer a planet?

In 2006, Pluto was reclassified as a dwarf planet, with the International Astronomical Union (IAU) changing Pluto’s status because it did not meet the three criteria the IAU uses to define a full-size planet, and Pluto meets the two criteria that it must be in orbit around the Sun and have sufficient mass. To withstand hydrostatic equilibrium (almost a round shape), it does not meet the third criteria because it “has not cleared its vicinity of other things”.

How many moons does Pluto have?

Pluto has five known moons: Charon, Styx, Nix, Kerberos, and Hydra, the largest of which is Charon, which is about half the size of Pluto making it the largest satellite relative to the planet it orbits in our solar system. double”, the other four moons of Pluto are much smaller, less than 100 miles wide.


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