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SciShow
Why Is Pluto Not A Planet?
Pluto's not a planet. We're sorry, but we think it's time you move on. If you've gone through all your breakup music and Meg Ryan movies, and you still can't get over it, then SciShow Space will get out the ice cream, cuddle up with you...
Astrum
Why is Pluto not a planet?
I'm sure most of us grew up with the knowledge that Pluto was our solar system's ninth planet. So what changed about the definition?
Astrum
Why Is Pluto Not a Planet
Many of us grew up with the knowledge that Pluto was our solar system's ninth planet. So what changed about the definition?
Next Animation Studio
Pluto should still be considered a planet, according to new study
The International Astronomical Union should ‘rescind their non-scientific definition’ of Pluto as a dwarf planet, according to a five-year study
Curated Video
Cosmic Queries - Why is Pluto Not a Planet?
Nigel Goes to Space Join Nigel as he takes you on his journey to the stars and beyond! Subscribe to Naked Science –http://goo.gl/wpc2Q1' target='_blank' rel='nofollow'>Science – Pluto is a dwarf planet in the Kuiper belt, a ring of...
Curated Video
What is a Planet? (Simple English)
This live-action video program is about the word planet. The program is designed to reinforce and support a student's comprehension and retention of the word planet through use of video footage, photographs, diagrams and colorful,...
PBS
Is Pluto a Planet?
You know what a planet is, right? A big round thing that orbits a star. Uh, not so fast. The surprisingly vicious debate over the planetary status of Pluto has given us a fascinating glimpse into what a scientific definition really is....
Curated Video
Exploring the Reclassification of Pluto as a Dwarf Planet
Learn why Pluto was once considered a planet but is now classified as a dwarf planet. The video discusses the discovery of the Kuiper Belt and the debates that led to the reclassification of Pluto.
Curated Video
Is Pluto a Planet?
Is Pluto a Planet? examines the history of Pluto and describes why it is no longer considered a planet.
TED-Ed
TED-ED: The journey to Pluto, the farthest world ever explored - Alan Stern
As of 1989, mankind had successfully sent craft to every known planet in the solar system except one: Pluto. Located in an mysterious region called the Kuiper Belt, Pluto is a scientific goldmine, and could hold clues to the formation of...
SciShow
Pluto: Still Not A Planet
The ESA is working on a 'fresh-squeezed' spacecraft that will explore Jupiter's moons, and the New Horizons team makes a case for Pluto (and many others)!
American Museum of Natural History
Why Isn't Pluto a Planet?
Curated Video
Is There a Hidden Massive Planet in Our Solar System?
Something heavy seems to be causing Uranus and Neptune to move in a different orbit than what we can currently account for with the celestial objects we know of. Is there a 9th planet? Does planet 9 exist? Is planet X...
SciShow
The Mysterious Ridges Near Pluto's Heart
Astronomers may have figured out some cool geology on Pluto, and Barnard's star is back in the running for having a planet!
Curated Video
I WONDER - Is Pluto A Dwarf Planet?
This video is answering the question of is Pluto a dwarf planet.
PBS
Planet X Discovered?? + Challenge Winners!
Some funky orbits near the Kuiper Belt are hinting towards a brand new planet, the elusive ‘Planet X.’ Our friends Mike Brown and Konstantin Batygin of Caltech are working hard to finally spot the potential gas giant through powerful...
Curated Video
OTD In Space - July 14: New Horizons Flies By Pluto
On July 14, 2015, a spacecraft flew by Pluto for the first time! NASA's New Horizons spacecraft spent 9.5 years making the 3-billion-mile journey to Pluto. When it finally arrived, it took some amazing photos of the dwarf planet's...
Professor Dave Explains
Eris: Queen of the Dwarf Planets
Apart from all the planets in the solar system, we've discussed smaller objects as well, like asteroids and comets, and also dwarf planets. While Pluto is the most famous dwarf planet, Eris is actually slightly more massive, making it...
Curated Video
How to find a planet you can’t see
Tiny wobbles and faint twinkles that have led astronomers to nearly 5,000 new worlds. Subscribe and turn on notifications 🔔 so you don't miss any videosf='http://goo.gl/0bsAjO' target='_blank' rel='nofollow'>videos Pluto was...
SciShow
Why Do the Planets Orbit in the Same Plane?
While there is a little wiggle room, the planets in our solar system really are orbiting on mostly the same level. Why do they do that?
SciShow
Why Do the Planets Orbit in the Same Plane?
While there is a little wiggle room, the planets in our solar system really are orbiting on mostly the same level. Why do they do that?
Next Animation Studio
NASA's New Horizon mission reveals Pluto's unique geological features
Pluto, the small, icy celestial body at the back of the solar system, was downgraded from a regular planet to a dwarf planet in 2006. It has been known as just that for years - the planet that never was. But NASA's New Horizons mission,...
Astrum
Images from the Other Side of Pluto
What's happening over and under Pluto's fascinating surface.
SciShow
How Pluto’s Heart Makes Its Atmosphere Spin Backward - SciShow News
Pluto's heart is revealing itself to be a major influence on the dwarf planet’s landscape and atmosphere, and scientists used atom probe tomography (APT) for the first time on lunar soil to study it atom by atom!