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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.

2017年2月1日

短视频

Why pluto is called dwarf planet | Dwarf planet pluto

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Why pluto is called dwarf planet | Dwarf planet pluto

PLUTO

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Pluto Planet Debate

The unexpected world of Pluto - Planet Explorers

The unexpected world of Pluto - Planet Explorers

FacebookBBC Earth

已浏览 225.3万次2022年10月31日

Welcome Back, Pluto? Planethood Debate Reignites

Welcome Back, Pluto? Planethood Debate Reignites

SPACE.comMike Wall

2018年5月11日

Demystified | Why Pluto Isn't a Planet | Britannica

Demystified | Why Pluto Isn't a Planet | Britannica

10 个月之前

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

2019年6月23日

Mass & Density of Pluto: The Planet Pluto's Size, Diameter and Gravity

Mass & Density of Pluto: The Planet Pluto's Size, Diameter and Gravity

planetfacts.org

2011年8月4日

What is a ‘planet’? Historical study revisits the debate over Pluto and other dwarfs

What is a ‘planet’? Historical study revisits the debate over Pluto and other dwarfs

2018年9月7日

Pluto Exploration

The unexpected world of Pluto - Planet Explorers

The unexpected world of Pluto - Planet Explorers

FacebookBBC Earth

已浏览 222.4万次2023年7月18日

Astonishing Pluto in sharp focus

Astonishing Pluto in sharp focus

2017年7月17日

Pluto's posse

2017年9月16日