Planets: What Exactly is a Planet?
Special | 5m 29sVideo has Closed Captions
How do you decide what a planet actually is?
How we’ve defined what a planet is has changed over time. Is Pluto a planet? Is Ceres? Find out the difference between a planet and a dwarf planet and why scientists decided to change things up.
Science Trek is a local public television program presented by IdahoPTV
Major Funding by the Laura Moore Cunningham Foundation and the Idaho National Laboratory. Additional Funding by Sparklight, the Friends of Idaho Public Television and the Corporation for Public Broadcasting.
Planets: What Exactly is a Planet?
Special | 5m 29sVideo has Closed Captions
How we’ve defined what a planet is has changed over time. Is Pluto a planet? Is Ceres? Find out the difference between a planet and a dwarf planet and why scientists decided to change things up.
How to Watch Science Trek
Science Trek is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet, Roku, Samsung Smart TV, and Vizio.
Science Trek
Science Trek is a place where parents, kids, and educators can watch short, educational videos on a variety of science topics. Every Monday Science Trek releases a new video that introduces children to math, science, technology, engineering, and math (STEM) career potentials in a fun, informative way.More from This Collection
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Satellites: Using Satellites to Find Treasure
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Planets: Tour the Solar Neighborhood
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Take a tour of our Solar System and learn about planets and much more. (6m 3s)
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Learn more about the Earth's only natural satellite. (5m 15s)
The Moon: Can You Visit the Moon in Idaho?
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Why did the Apollo astronauts train in Idaho? (6m 7s)
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Planets: Dirty Snowballs and Rocks
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Find out how comets and asteroids changed Earth’s history. (1m 5s)
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What is an exoplanet? Go outside our Solar System and find out. (1m 5s)
Providing Support for PBS.org
Learn Moreabout PBS online sponsorship
Science Trek is a local public television program presented by IdahoPTV
Major Funding by the Laura Moore Cunningham Foundation and the Idaho National Laboratory. Additional Funding by Sparklight, the Friends of Idaho Public Television and the Corporation for Public Broadcasting.