Pluto Demoted Day: 7 Facts About Dwarf Planet That Is Smaller Than Earth's Moon

Pluto is one of the farthest planets in our solar system. On August 24, the International Astronomical Union demoted Pluto from being a full-sized planet to a dwarf planet. 

It is believed that despite having a rocky core, there is water in the interior of Pluto and this water is covered by frozen water.

Pluto's interior 

Pluto has a heart shape made on its surface which is said to be spreading 1,000 miles across the dwarf planet. 

Heart shape on surface

Pluto's surface is filled with ice made of different components like nitrogen, methane and carbon monoxide. 

Surface

Venetia Burney, an 11-year-old girl, suggested the name Pluto when the planet was first discovered in 1930. 

Name

Being one of the farthest celestial objects from the sun, the temperature on Pluto's surface is as low as -375 to -400 degrees. 

Temperature

Clyde Tombaugh ended up discovering Pluto on February 18, 1930, when he was looking for Planet X, a celestial body that affected Uranus. 

Discovery

The distance between the sun and Pluto is said to be 3.7 billion miles and a day on the dwarf planet is 153 hours long. 

Distance from sun

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