What Is a Planet? (And Why Pluto Doesn't Fit the Definition)

Astronomers define a planet as an object that orbits the sun (but not another object), is round (or nearly so) and has cleared the area around its orbit.

Nine Reasons Why Pluto Is a Planet – Philip Metzger

All planets can fit between the Earth & Moon : r/space

Is Pluto a planet? - Science! Astronomy & Space Exploration, and Others - Cloudy Nights

Pluto is small : r/spaceporn

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

PLUTO DEMOTED DAY - August 24, 2024 - National Today

Should Pluto Be a Planet? New Finds Drive Debate

Pluto: the Ninth Planet. Or is it? – The Mercury

New Podcast! Why isn't Pluto a planet anymore? - Big Think

Scientists decide Pluto's no longer a planet