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Why is Pluto considered a dwarf planet? - Morgridge Institute for Research

Why is Pluto considered a dwarf planet? - Morgridge Institute for Research

The International Astronomical Union decided that full-sized planets must orbit the sun, have a round shape, and have cleared their orbits of other objects.

morgridge.org2017年2月1日

Pluto Exploration

Picturing Pluto: NASA craft makes history at edge of solar system

Picturing Pluto: NASA craft makes history at edge of solar system

2015年7月14日

NASA debuts surface image of Pluto

NASA debuts surface image of Pluto

2015年7月15日

Pluto Through the Years

Pluto Through the Years

FacebookNASA Solar System

已浏览 5172 次2020年7月14日

热门视频

Here's Why Pluto Was Demoted to a Dwarf Planet | Space

Here's Why Pluto Was Demoted to a Dwarf Planet | Space

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The (Dwarf) Planet Pluto

The (Dwarf) Planet Pluto

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Astonishing Pluto in sharp focus

Astonishing Pluto in sharp focus

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Pluto Facts

20 Interesting Pluto Facts For Kids - All About Dwarf Planet

20 Interesting Pluto Facts For Kids - All About Dwarf Planet

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The First Real Images Of Pluto: What Have We Discovered?

The First Real Images Of Pluto: What Have We Discovered?

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Pluto: Facts - NASA Science

Pluto: Facts - NASA Science

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