Interesting Facts About Pluto

By Ashritha Raghavendra

May 1 , 2022

The Name Game

On this day, 92 years ago, Pluto was named by the 11-year-old Venetia Burney. The first two letters are the initials of astronomer Percival Lowell — the first to predict its existence.

Image source: Wikipedia

Water Body

Pluto has 3 times more water than all of Earth’s oceans combined. Its surface is covered with ice, craters and several mountain ranges.

Image source: NASA

Big Hearted

In 2015, a dominant feature on Pluto, called the ‘heart’ was discovered. This discovery indicates the planet’s long and complex geological history. 

Image source: NASA

Sizing Up

While Pluto is smaller than the Earth’s moon, it is the largest dwarf planet. Pluto is said to be 18.5% the size of the Earth.

Image source: NASA


Disney’s Pluto the dog was named after the former planet since the cartoon debuted the same year (1930) that Pluto was discovered.

Image source: Wikipedia

Hope on the Horizon

New Horizons was the first space vessel designed to probe Pluto. It completed a 9-year, 3-billion mile journey and cost $700 million.

Image source: NASA

Demoted Dwarf

Contrary to popular belief, it wasn’t the size of the planet but the lack of unique characteristics of a planet that led to Pluto being categorised as a dwarf planet.

Image source: Unsplash

Beneath the Surface

Pluto could have an ocean underneath its 10-km thick ice surface. Scientists think it could harbour life if it indeed has liquid oceans and enough energy.

Image source: NASA