Loading...

This page describes an image Pluto: The Long Journey Around the Sun

Download File ( image 797.69 kB)

Image caption: This infographic is part of the "Simplifying Astronomy for Arabic Speakers" project, aiming to present fascinating facts about the dwarf planet Pluto and its long journey around the Sun.
Pluto: The Mysterious Dwarf Planet
Pluto is a dwarf planet that orbits the Sun within the Kuiper Belt, a region filled with icy and rocky objects beyond Neptune’s orbit. It was first discovered in 1930 by astronomer Clyde Tombaugh. For decades, Pluto was classified as the ninth planet in the Solar System, but in 2006, the International Astronomical Union (IAU) redefined the criteria for planets, placing Pluto in the dwarf planet category.
A Very Long Orbital Journey
Pluto takes 248 Earth years to complete a single orbit around the Sun! Since its discovery in 1930, it has not yet completed one full revolution. However, it will finally complete its first full orbit since its discovery on March 23, 2178. This means that future generations will witness this rare astronomical event.
Pluto’s Unique Characteristics
It has an average distance of 5.9 billion kilometers from the Sun.
Pluto has a thin atmosphere composed mainly of nitrogen, methane, and carbon monoxide.
It has five moons, the largest of which is Charon, forming a binary system with Pluto.
Its surface is covered in ice, with vast nitrogen plains, such as the famous Tombaugh Region.
Why Is Studying Pluto Important?
Despite being classified as a dwarf planet, Pluto remains one of the most intriguing objects in the Solar System. NASA’s New Horizons mission (2015) provided breathtaking details about Pluto, helping scientists better understand its composition and history.
Pluto is not just a distant dwarf planet; it serves as a window into the early formation of the Solar System. As research continues, this small world may reveal astonishing secrets about the origins of our planetary system and the universe itself.
Scroll to captions in other languages


Image credit: Ali Al-Edhari
Related glossary terms: Dwarf Planet , Kuiper Belt , Pluto
Categories: Solar System

Image license: Creative Commons Attribution 4.0 International (CC BY 4.0) Creative Commons Attribution 4.0 International (CC BY 4.0) icons

The media file captions presented on the OAE website were written, translated and reviewed by a collective effort from the OAE, the OAE Centers and Nodes, the OAE National Astronomy Education Coordinators (NAECs) and other volunteers. You can find a full list of credits for our translation project here. All media file captions are released under a Creative Commons CC BY-4.0 license and should be credited to "IAU OAE". The media files themselves may have different licenses (see above) and should be credited as listed above under "credit".

If you notice a factual error in this caption or an error in any of its translations then please get in touch.

Captions in Different Languages:

Arabic
Image caption: منذ اكتشافه عام 1930، ظل بلوتو واحدًا من أكثر الأجرام السماوية إثارةً للجدل. هل هو كوكب؟ هل هو مجرد كوكب قزم؟ بغض النظر عن التصنيفات، يبقى بلوتو جرمًا فريدًا في نظامنا الشمسي، يدور في مدار طويل يمتد لـ 248 سنة أرضية!
Image credit: علي العذاري
Related glossary terms: Dwarf Planet , Kuiper Belt , Pluto
Caption translation status: Not yet approved by a reviewer