JOURNAL ARTICLE

Should Pluto be made a planet again? Pluto lost its planet status 19 years ago, but some still think it was a big mistake.

  • Published In: Week Junior: Science + Nature, 2025, n. 92. P. 38 1 of 2

  • Database: Science Reference Ultimate 2 of 2

Abstract

The article discusses the reclassification of Pluto from a planet to a "dwarf planet" by the International Astronomical Union in 2006, following the discovery of similar-sized objects in the Kuiper Belt. The new definition of a planet requires it to orbit the Sun, be massive enough to assume a nearly round shape, and have cleared its orbit of similar-sized objects, which Pluto did not meet. The article presents arguments both for and against Pluto's demotion, highlighting the complexity of its characteristics revealed by NASA's New Horizons mission and the evolving definitions of celestial bodies. It also touches on public opinions regarding the classification of Pluto and the broader implications for our understanding of the solar system. [Extracted from the article]

Additional Information

  • Source:Week Junior: Science + Nature. 2025/10, Issue 92, p38
  • Document Type:Article
  • Subject Area:Astronomy and Astrophysics
  • Publication Date:2025
  • ISSN:2517-6013
  • Accession Number:188138565
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